Introduction to Python

Form 4 - Computer

2023-2024

Floor 4 - Computer Room

Mr. Peter

Outline

Outline

While Loop

1

Number Sequences

2

Exercises

3

While Loop Statement

1.

2.

1.

2.

While loop statement - Ex13_1

Save the file as "XX_YYYY_Ex13_1.py"

Summing the Digits of a Number

Write a Python program that asks the user to input a number and then calculates the sum of its digits.

1.

Prompt the user to enter a number.

2.

Extract each digit from the number entered by the user.

3.

4.

Sum all the digits of the number.

Print the result of the sum

Example

1.

2.

While loop statement - Ex13_2

Save the file as "XX_YYYY_Ex13_2.py"

Count the Number of Twos in an Input Number

Create a Python script to count the occurrences of the digit "2" in a user-provided integer. Display the count to the user.

1.

Prompt the user to enter a number.

2.

Iterate through each digit of the number.

3.

4.

Count how many times the digit "2" appears.

Print the counting number.

Example

1.

2.

While loop statement - Ex13_3

Save the file as "XX_YYYY_Ex13_3.py"

The Largest Digit of the Entered Number

Create a Python script to find the maximum digit of a number entered by a user.

1.

Prompt the user to enter a number.

2.

Iterate through each digit of the number.

3.

4.

Find the largest digit of the entered number.

Print the largest number.

Example

1.

2.

While loop statement - Ex13_4

Save the file as "XX_YYYY_Ex13_4.py"

The Second Largest Digit of the Entered Number

Create a Python script to find the second largest digit of a number entered by a user.

1.

Prompt the user to enter a number.

2.

Iterate through each digit of the number.

3.

4.

Find the second largest digit of the entered number.

Print the second largest number.

Example