Introduction to Python

Form 3 - Computer

2023-2024

Floor 4 - Computer Room

Mr. Peter

Outline

Outline

While Loop

1

Number Sequences

2

Exercises

3

While Loop Statement

1.

2.

While Loop Statement

1.

2.

3.

4.

Write a Python program that uses a while loop to print lines of asterisks (*). The first line should contain 1 asterisk, the second line should contain 2 asterisks, and so on, up to the tenth line which should contain 10 asterisks.

Question

While loop statement - Ex01

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Example

Save the file as "XX_YYYY_Ex01.py"

Write a Python program that uses a while loop to print lines of asterisks (*). The program should first print 1 asterisk on the first line, 2 asterisks on the second line, and so on, up to 5 asterisks. After reaching 5 asterisks, the program should then print 4 asterisks on the next line, 3 asterisks on the following line, and so on, down to 1 asterisk.

Question

While loop statement - Ex02

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Example

Save the file as "XX_YYYY_Ex02.py"

Write a Python program that uses a while loop to print a right triangle of asterisks (*). The first line should contain 1 asterisk, the second line should contain 2 asterisks, and so on, up to the tenth line which should contain 10 asterisks. The asterisks should be right-aligned.

Question

While loop statement - Ex03

Example

Save the file as "XX_YYYY_Ex03.py"

String could be a space

Write a Python program that uses a while loop to print a right triangle of asterisks (*). The first part of the program should print lines with 1 asterisk, 2 asterisks, and so on, up to 5 asterisks. The second part should print lines with 4 asterisks, 3 asterisks, and so on, down to 1 asterisk. The asterisks should be right-aligned.

Question

While loop statement - Ex04

Example

Save the file as "XX_YYYY_Ex04.py"

String could be a space