Contents

1. Pseudo Code and Flow Chart Exercises

2. Problem Set (Level 1) Basic 

3. Problem Set (Level 2) Decision

    Additional Decision Making Problems

4. Problem Set (Level 3) Loop 1

5. Problem Set (Level 4) Loop 2

6. Problem Set (Level 5) String

7. Problem Set (Level 6) List

Computer Science Text Book

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Write a Python program that asks the user to enter two numbers.

Calculate and display the total.

Output

(2) Sum of Three Number (Sum3.py)

Write a Python program that asks the user to enter three numbers.

Calculate and display the total.

Output

(3) Four Arithmetic Operations (Four_Operations.py)

Write a Python program that asks the user to enter two numbers.

Calculate and display:

• the sum

• the difference

• the product

• the quotient

Display each answer on a separate line.

Output

Write a Python program that asks the user to enter three subject marks.

Calculate and display:

• the total mark

• the average mark

Output

(5) Area of a Rectangle (Area_Rectangle.py)

Write a Python program that asks the user to enter the length and width of a rectangle.

Calculate and display the area.

Formula:

Area = length × width

Output

(6) Hours to Minutes (Hours2Minutes.py)

Write a Python program that asks the user to enter a number of hours.

Convert the time into minutes and display the answer.

Output

(7) Feet to Inches (feet_to_inches.py)

Write a Python program that asks the user to enter a length in feet.

Convert the length into inches and display the result.

Output

(8) Inches to Feet and Inches (inches_to_feet_and_inches.py)

Write a Python program that asks the user to enter a total inches.

Convert it into:

• feet

• inches

Hint: Use division and remainder.

Output

(9) Celsius to Fahrenheit

Write a Python program that asks the user to enter a temperature in Celsius.

Convert it to Fahrenheit and display the result.

Formula:

Fahrenheit = (9 / 5 × Celsius) + 32

Output

(10) Area and Perimeter of Circle (Area_Perimeter_Circle.py)

Write a Python program that:

• asks for radius

• calculates both:

• area

• perimeter

• displays both result

Output

(11) Total Cost with Discount (Total_Cost_Discount.py)

Write a Python program that:

• asks for the price of one item and quantity

• calculates total cost

• calculates a fixed 10% discount

• displays:

• total cost

• discount amount

• final price

Output

(12) Total Bill with Tax (Bill_With_Tax.py)

Write a Python program that:

• asks for the price of an item

• calculates 5% tax

• displays:

• tax amount

• total price after tax

Output

(13) Calculate Total Salary (Total_Salary.py)

Write a Python program that:

• asks for basic salary

• calculates:

• allowance = 20% of salary

• bonus = 10% of salary

• displays total salary

Formula:

(14) Decimal Hours to Hours and Minutes (Decimal_Hours_To_HM.py)

Write a Python program that asks the user to enter time in decimal hours.

Convert it into:

• whole hours

• minutes

Output

(15) Swap Two Variables (swap2variables.py)

Write a Python program that asks the user to enter two numbers.

Display the values of both numbers before swapping.

Then swap the values of the two variables.

Finally, display the values after swapping.

Output

Go to Top

1. Positive Number (positive_number.py)

Problem:

Input a number. If the number is positive, display Positive number.

Sample output screen

2. Pass Mark Alert (pass_mark_alert.py)

Problem:

Input a mark. If the mark is 50 or above, display You passed.

Sample output screen

3. Adult Check (adult_check.py)

Problem:

Input an age. If the age is 18 or above, display Adult.

Sample output screen

4. Even Number Check (even_number_check.py)

Problem:

Input a number. If the number is even, display Even number.

Sample output screen

5. Discount Message (discount_message.py)

Problem:

Input the total purchase amount. If the amount is 100000 or more, display Eligible for discount.

Sample output screen

6. Pass or Fail (pass_or_fail.py)

Problem:

Input a mark. If the mark is 50 or above, display Pass. Otherwise, display Fail.

Sample output screen

7. Even or Odd (even_or_odd.py)

Problem:

Input a number. If the number is even, display Even. Otherwise, display Odd.

Sample output screen

8. Eligible to Vote or Not (vote_eligibility.py)

Problem:

Input an age. If the age is 18 or above, display Eligible to vote. Otherwise, display Not eligible to vote.

Sample output screen

9. Larger of Two Numbers (larger_of_two.py)

Problem:

Input two numbers. If the first number is greater than the second, display First number is larger. Otherwise, display Second number is larger or equal.

Sample output screen

10. Freezing Check (freezing_check.py)

Problem:

Input a temperature. If it is below 0, display Freezing. Otherwise, display Not freezing.

Sample output screen

11. Grade System (grade_system.py)

Problem:

Input a mark.

• 80 and above → Grade A

• 60 to 79 → Grade B

• 40 to 59 → Grade C

• below 40 → Fail

Sample output screen

12. Traffic Light Meaning (traffic_light.py)

Problem:

Input a traffic light color.

• red → Stop

• yellow → Get ready

• green → Go

• anything else → Invalid color

Sample output screen

13. Number Sign (number_sign.py)

Problem:

Input a number.

• greater than 0 → Positive

• less than 0 → Negative

• equal to 0 → Zero

Sample output screen

14. Movie Ticket Price Category (ticket_category.py)

Problem:

Input age.

• below 12 → Child ticket

• 12 to 59 → Normal ticket

• 60 and above → Senior ticket

Sample output screen

15. Day Type (day_type.py)

Problem:

Input a day number from 1 to 7.

• 1 to 5 → Weekday

• 6 or 7 → Weekend

• otherwise → Invalid day

Sample output screen

16. Exam Result with Distinction (exam_distinction.py)

Problem:

Input a mark.

If the mark is 50 or above, the student passes.

Then:

• if the mark is 80 or above, display Pass with distinction

• otherwise, display Pass

If below 50, display Fail

Sample output screen

17. Login Check (login_check.py)

Problem:

Input a username.

If the username is admin, then ask for password.

• if password is 1234, display Login successful

• otherwise, display Wrong password

If username is not admin, display Unknown user

Sample output screen

18. Scholarship Check (scholarship_check.py)

Problem:

Input a student’s mark.

If the mark is 60 or above, the student passes.

Then:

• if the mark is 90 or above, display Scholarship candidate

• otherwise, display Passed but no scholarship

If below 60, display Failed

Sample output screen

19. ATM Withdrawal (atm_withdrawal.py)

Problem:

Input account balance and withdrawal amount.

If withdrawal amount is less than or equal to balance:

• if withdrawal amount is less than or equal to 500000, display Withdrawal approved

• otherwise, display Limit exceeded

Otherwise, display Insufficient balance

Sample output screen

20. Club Membership (club_membership.py)

Problem:

Input age.

If age is 18 or above:

• ask if the person has membership card

• if yes, display Entry allowed

• otherwise, display Membership card required

If under 18, display Too young to enter

Sample output screen

21. Exam Pass by Two Conditions (exam_pass_conditions.py)

Problem:

Input exam mark and attendance percentage.

If mark is 50 or above and attendance is 75 or above, display Pass.

Otherwise, display Fail.

Sample output screen

22. Event Entry (event_entry.py)

Problem:

Input age and whether the person has a ticket.

If age is 18 or above and has a ticket, display Entry allowed.

Otherwise, display Entry denied.

Sample output screen

23. Weather Advice (weather_advice.py)

Problem:

Input whether it is raining and whether the person has an umbrella.

If it is raining and not carrying an umbrella, display You may get wet.

Else if it is raining and carrying an umbrella, display You are prepared.

Otherwise, display Weather is fine.

Sample output screen

24. Password Strength (password_strength.py)

Problem:

Input a password.

Check these rules:

• if length is less than 6, display Too short

• else if password is admin or 123456, display Too weak

• otherwise, display Acceptable password

Sample output screen

25. Smart Discount System (smart_discount.py)

Problem:

Input purchase amount and whether the customer is a member.

• if purchase amount is 200000 or more and customer is a member, display 20% discount

• else if purchase amount is 200000 or more or customer is a member, display 10% discount

• else, display No discount

Sample output screen

Go to Top

26. Leap Year Check (leap_year_check.py)

Problem:

Input a year.

A year is a leap year if:

• it is divisible by 400, or

• it is divisible by 4 but not divisible by 100

Display Leap year or Not a leap year.

Sample output screen

27. Triangle Type Checker (triangle_type.py)

Problem:

Input three side lengths of a triangle.

Check:

• if all three sides are equal, display Equilateral triangle

• if only two sides are equal, display Isosceles triangle

• if all sides are different, display Scalene triangle

You may assume the inputs can form a valid triangle.

Sample output screen

28. Simple Billing with Late Fee (late_fee_bill.py)

Problem:

Input the bill amount and the number of days late.

• if the bill is not late, no extra charge

• if late by 1 to 5 days, add 1000

• if late by more than 5 days, add 3000

Display the final bill amount.

Sample output screen

29. Valid Username Check (username_check.py)

Problem:

Input a username.

A username is valid if:

• its length is at least 6, and

• it is not equal to admin, and

• it does not contain a blank space

Display Valid username or Invalid username.

Sample output screen

30. Delivery Charge System (delivery_charge.py)

Problem:

Input order amount and delivery distance in kilometers.

• if order amount is 50000 or more, delivery is free

• otherwise:

• if distance is 3 km or less, delivery charge is 2000

• if distance is more than 3 km, delivery charge is 4000

Display the delivery charge.

Sample output screen

31. Library Book Fine (library_fine.py)

Problem:

Input the number of days a book is overdue and whether the book is damaged (yes or no).

Rules:

• if overdue days is 0, fine is 0

• if overdue days is from 1 to 7, fine is 500 per day

• if overdue days is more than 7, fine is 1000 per day

• if the book is damaged, add an extra 5000

Display the total fine.

Sample output screen

32. Entrance Exam Result (entrance_exam.py)

Problem:

Input Math mark and English mark.

• if both marks are 50 or above, display Accepted

• if one mark is below 50 but both are at least 40, display Accepted with interview

• otherwise, display Rejected

Sample output screen

33. Electricity Bill Category (electricity_bill.py)

Problem:

Input the number of units used.

• 0 to 100 units → Low usage

• 101 to 300 units → Normal usage

• above 300 units → High usage

Then:

• if usage is high and units are above 500, also display Warning: very high consumption

Sample output screen

34. Travel Permission Check (travel_permission.py)

Problem:

Input age and whether the person has a passport (yes or no).

Rules:

• if the person has no passport, display Travel not allowed

• otherwise:

• if age is 18 or above, display Can travel alone

• else display Needs adult companion

Sample output screen

35. Shop Promotion Decision (shop_promotion.py)

Problem:

Input the total amount spent and the number of items bought.

Rules:

• if amount is 100000 or more and items are 3 or more, display Free gift and discount

• else if amount is 100000 or more or items are 3 or more, display Discount only

• otherwise, display No promotion

Sample output screen

Go to Top

36. Print Numbers from 1 to 10 (print_1_to_10.py)

Problem:

Write a program to display numbers from 1 to 10.

Sample Output:

37. Print Numbers from 1 to N (print_1_to_n.py)

Problem:

Input a number N. Display numbers from 1 to N.

Sample Output:

38. Print Even Numbers up to 20 (even_numbers.py)

Problem:

Write a program to display even numbers from 2 to 20.

Sample Output:

39. Print Numbers in Reverse (10 to 1) (reverse_numbers.py)

Problem:

Write a program to display numbers from 10 down to 1.

Sample Output:

40. Sum of Numbers from 1 to N (sum_1_to_n.py)

Problem:

Input a number N. Find and display the sum from 1 to N.

Sample Output:

41.   Sum & Average (sum_average_5_numbers.py)

Problem:

Write a program to accept any 5 integers from the user.

Display the sum and average of the entered numbers.

Sample Output:

42. Accept Integers Until 0 and Find Sum & Average (sum_average_until_zero.py)

Problem:

Write a program to accept integers from the user continuously.

Stop when the user enters 0.

Display the sum and average of the entered numbers (excluding 0).

Sample Output:

43. Factorial of a Number (factorial.py)

Problem:

Write a program to input a positive integer N and calculate its factorial using a while loop.

👉 Factorial formula:

n! = n * (n-1) * (n-2) * ... * 1

5! = 5 * 4 * 3 * 2 * 1 = 120

Sample Output:

Advanced Output:

44. Find Maximum and Minimum of 10 Numbers (max_min_10_numbers.py)

Problem:

Write a program to accept 10 numbers from the user.

Find and display the maximum number and minimum number among them.

Sample Output:

45. Count Even and Odd Numbers of 10 Numbers (count_even_odd_10_numbers.py)

Problem:

Write a program to accept 10 numbers from the user.

Count and display how many numbers are even and how many are odd.

46. Stop When Enter 0 (stop_at_zero.py)

Problem:

Keep asking the user to enter a number.

Stop the program when the user enters 0.

Sample Output:

47. Continue with y/n (hello_repeat.py)

Problem:

Ask the user to enter their name and print a greeting.

Ask if they want to continue (y/n).

Sample Output:

48. Even or Odd Repeater (even_odd_repeat.py)

Problem:

Ask the user for a number and print whether it is even or odd.

Repeat until the user chooses n.

Sample Output:

49. Sum Until Stop (sum_until_zero.py)

Problem:

Keep asking numbers and calculate the total.

Stop when user enters 0.

Sample Output:

50. Multiplication Table (table_repeat.py)

Problem:

Ask the user for a number and display its multiplication table (1 to 5).

Ask if they want to continue.

Sample Output:

51. Password Until Correct (password_loop.py)

Problem:

Keep asking the user to enter a password.

Stop only when the correct password (1234) is entered.

Sample Output:

52. Count Positive Numbers (count_positive.py)

Problem:

Ask the user to enter numbers.

Count how many positive numbers are entered.

Stop when user enters 0.

Sample Output:

53. Guess the Number (guess_game.py)

Problem:

The program has a fixed number (e.g., 7).

Keep asking the user to guess until correct.

Sample Output:

54. Simple Calculator Loop (calculator_menu.py)

Problem:

Create a menu:

1. Add

2. Subtract

3. Exit

Repeat until user chooses Exit.

Sample Output:

55. Find Maximum Number (find_max.py)

Problem:

Keep asking numbers and find the largest number.

Stop when user enters 0.

Sample Output:

🧩 Exercise 60 – Name Analyzer (name_analyzer.py)

Problem

Ask the user to enter their name.

Display:

• name in uppercase

• name in lowercase

• number of characters

Then:

• if the name length is more than 5 → print "Long name"

• otherwise → print "Short name"

Sample Output

🧩 Exercise 61 – Letter Counter (letter_counter.py)

Problem

Ask the user to enter a word.

Count how many times the letter "a" appears.

Then:

• if count > 2 → print "Many a's"

• else → print "Few a's"

Use a loop to count (not just count()).

Sample Output

🧩 Exercise 62 – Password Checker (password_checker.py)

Problem

Keep asking the user to enter a password until it is valid.

Rules:

• length must be at least 6

• must contain the letter "@"

Use:

• len()

• find() or "@" in password

• loop

Sample Output

🧩 Exercise 63 – Sentence Cleaner (sentence_cleaner.py)

Problem

Ask the user to enter a sentence.

Then:

• remove extra spaces using strip()

• replace the word "bad" with "good"

• display the cleaned sentence

Then:

• if the sentence contains "good" → print "Positive sentence"

• else → print "Neutral sentence"

Sample Output

🧩 Exercise 64 – Vowel Counter (vowel_counter.py)

Problem

Ask the user to enter a word.

Count how many vowels are in the word:

a, e, i, o, u

Use:

• loop

• lower()

Then display:

• total vowels

• if vowels ≥ 3 → "Many vowels"

• else → "Few vowels"

Sample Output

🧩 Chellenge Exercise

 Exercise 65  – Username & Password Validator (login_validator.py)

📝 Problem

Write a program to check whether a username and password are valid.

Rules:

Username:

• Must contain "@"

• Must contain "."

Example of valid username:

eimon@gmail.com

Password:

• Must be at least 8 characters long

• Must contain only letters and numbers (no symbols)

Program Behavior:

• Keep asking the user until both username and password are valid

• Display appropriate messages

Sample Output

🧩  Exercise 66 – Student Names & Marks (Parallel List)

Problem

Create two lists:

• one for student names

• one for their marks

Input 3 students’ data.

Display:

• each student with their mark

Sample Output

🧩  Exercise 67 – Total Sales Calculator

Problem

Create a list of 5 sales amounts (input from user).

Calculate:

• total sales

• count how many sales are above 100

Sample Output

🧩  Exercise 68 – Even & Odd Counter

Problem

Input 5 numbers into a list.

Count:

• how many are even

• how many are odd

Sample Output

🧩  Exercise 69 – Product Price Finder (Parallel List)

Problem

Create two lists:

• product names

• product prices

Input 4 products.

Ask user to enter a product name to search.

Display:

• price if found

• otherwise print “Product not found”

Sample Output

🧩  Exercise 70 – Highest & Lowest Number

Problem

Input 5 numbers into a list.

Find:

• highest number

• lowest number

Sample Output

Parallel Arrays + Table Output Exercises (71–80)

🧩 Exercise 71 – Student Marks Table (student_marks_table.py)

Problem Statement

Create two lists of student names and their marks.

Display a formatted table showing:

• Name (left aligned)

• Mark (right aligned)

• Grade:

  • A (>=80)

  • B (>=60)

  • C (<60)

Given Data

names = ["Alice", "Bob", "Charlie"]

marks = [85, 72, 55]

Expected Output

Name           Mark   Grade
----------------------------
Alice            85   A
Bob              72   B
Charlie          55   C

🧩 Exercise 72 – Product Price List (product_price_table.py)

Problem Statement

Create two lists for product names and prices.

Display a formatted table and calculate the total price.

Given Data

products = ["Mouse", "Keyboard", "Monitor"]

prices = [15.5, 25.0, 120.75]

Expected Output

Product        Price
----------------------
Mouse          15.50
Keyboard       25.00
Monitor       120.75
----------------------
Total         161.25

🧩 Exercise 73 – Attendance Report (attendance_report.py)

Problem Statement

Create two lists for student names and attendance status.

Display a table and count how many students are present.

Given Data

Expected Output

Student        Status
-------------------------
John           Present
Anna           Absent
Mike           Present
-------------------------
Total Present: 2

🧩 Exercise 74 – Shop Receipt Table (shop_receipt.py)

Problem Statement

Create three lists for items, quantity, and price.

Display a receipt table including subtotal and total.

Given Data

Expected Output

Item         Qty   Price   Subtotal
--------------------------------------
Pen            2    1.50      3.00
Book           1    5.00      5.00
Bag            1   20.00     20.00
--------------------------------------
Total                 28.00

🧩 Exercise 75 – Temperature Report (temperature_table.py)

Problem Statement

Create two lists for days and temperatures.

Display a table and find the highest temperature.

Given Data

Expected Output

Day         Temp
-------------------
Mon           30
Tue           32
Wed           29
Thu           35
-------------------
Highest Temp: 35

🔄 USER INPUT SECTION

🧩 Exercise 76 – Student Input Table (student_input_table.py)

Problem Statement

Ask the user to enter student names and marks.

After each student input, ask the user “Do you want to continue (yes/no): ”

                  If the user input “yes”, then request input for another student.

                  If the user input “no”, stop input.

Store the inputted data in the lists, students[] and marks[].

Calculate the grade for each student and store the result in the list grades[].

The grade rules are:

80 and above = “A”

60 to 79 = “B”

50 to 59 = “C”

Below 50 = “F”

Then, display the result table as shown in expected output.

Sample Input

Expected Output

                

                  
Name           Mark   Grade
----------------------------
Alice            80   A
Bob              60   B
Chris            45   C
                
              

🧩 Exercise 77 – Shopping Cart Input (shopping_cart.py)

Problem Statement

Write a Python program to input product names and prices.

Ask the user to enter a product name

Ask the user to enter the product price

After each entry, ask: “Do you want to enter another (yes/no)?”

If the user enters “yes”, continue input

If the user enters “no”, stop input

Processing

Store all product names in a list called products

Store all prices in a list called prices

Calculate the total cost of all products

Sample Input

Enter product: Pen

Enter price: 1.5

Do you want to enter another (yes/no)? yes

Enter product: Book

Enter price: 5

Do you want to enter another (yes/no)? yes

Enter product: Bag

Enter price: 20

Do you want to enter another (yes/no)? no

Expected Output

                

                
                  

                    
Product        Price
----------------------
Pen             1.50
Book            5.00
Bag            20.00
----------------------
Total          26.50
                  
                
              

🧩 Exercise 78 – Score Comparison Table (score_comparison.py)

Problem Statement

Ask the user to enter the student names and scores.

The input will continue until the user enter “no” in “Do you want to continue (yes/no)?”.

Store the student names into the list, students[], and scores into the list, scores[].

Then calculate the result and store in the list, results[].

Also count total passes (>=50) and total fails (<50).

In addition, find the average mark of the student.

Sample Input

Expected Output

                

                  
Name         Score   Result
----------------------------
Aung            60   Pass
Mya             45   Fail
Tun             80   Pass
Hla             30   Fail
----------------------------
Total Pass: 2
Total Fail: 2
Average Mark: 53.75
                
              

🧩 Exercise 79 – Salary Report (salary_report.py)

Problem Statement

Ask the user to enter how many employee, their names and salaries and store them in the lists.

Then, Calculate bonus:

>=500 → 10%

<500 → 5%

Display salary, bonus, total, and average.

Sample Input

Expected Output

Name         Salary    Bonus    Total
---------------------------------------
John            600    60.00   660.00
Anna            400    20.00   420.00
Mike            500    50.00   550.00
---------------------------------------
Average         500    40.00   543.33

🧩 Exercise 80 – Mini Report System (mini_report_system.py) ⭐

Problem Statement

Ask the user to enter item name, quantity and price for 5 items:

Store them in parallel lists.

Display a full table with subtotal, total cost, and most expensive item.

Sample Input

Expected Output

Item         Qty   Price   Subtotal
--------------------------------------
Pen            2    1.50      3.00
Book           1    5.00      5.00
Bag            1   20.00     20.00
Bottle         3    2.00      6.00
Pencil         5    0.50      2.50
--------------------------------------
Total                 36.50
Most Expensive Item: Bag

2D Array Exercises

🧩  Exercise 81 – Student Subject Total (student_subject_total.py)

Problem Statement

A 2D list contains marks of students in 3 subjects.

marks = [

    [80, 70, 90],

    [60, 75, 85],

    [88, 92, 79]

]

 Calculate the total marks for each student and display in table format.

Expected Output

Student    Total
------------------
Student 1   240
Student 2   220
Student 3   259

🧩  Exercise 82 – Student Average Marks (student_average.py)

Problem Statement

Using the same 2D list:

marks = [

    [80, 70, 90],

    [60, 75, 85],

    [88, 92, 79]

]

Calculate the average mark for each student and display in table format.

Expected Output

Student    Average
----------------------
Student 1   80.00
Student 2   73.33
Student 3   86.33

🧩  Exercise 83 – Product Sales Total (product_sales.py)

Problem Statement

A 2D list contains product names and quantities sold in 3 days.

products = [

    ["Pen", 10, 15, 20],

    ["Book", 5, 7, 9],

    ["Bag", 2, 3, 4]

]

Calculate the total quantity sold for each product and display in table format.

Expected Output

Product    Total Sold
------------------------
Pen                45
Book               21
Bag                 9

🧩  Exercise 84 – Dynamic Student Marks with Total (input_student_total.py)

Problem Statement

Write a program to:

Input student name and 3 subject marks

Store data in a 2D list

Continue input until user enters “no”

Then:

Calculate total marks

Display in table format

Sample Input

Enter name: Alice

Enter mark1: 80

Enter mark2: 70

Enter mark3: 90

Continue? (yes/no): yes

Enter name: Bob

Enter mark1: 60

Enter mark2: 75

Enter mark3: 85

Continue? (yes/no): no

Expected Output

Name      Total
------------------
Alice     240
Bob       220

🧩  Exercise 85 – Dynamic Shopping Cart with Total (input_cart_total.py)

Problem Statement

Write a program to:

Input product name and price

Store in a 2D list

Continue until user enters “no”

Then:

Display product table

Calculate total cost

Sample Input

Enter product: Pen

Enter price: 1.5

Continue? (yes/no): yes

Enter product: Book

Enter price: 5

Continue? (yes/no): no

Expected Output

Product        Price
------------------------
Pen             1.50
Book            5.00
------------------------
Total           6.50