Introduction to Python
Floor 4 - Computer Room
Outline
Outline
While Loop
1
Number Sequences
2
Exercises
3
While Loop Statement
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2.
Tab
while Condition :
Command1
While Loop Statement
1.
2.
while i < 5 :
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Tab
4.
Tab
i = 0
print(i)
i = i + 1
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"
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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"
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String could be a space