Assignment 19 — while loop familiarity

Due Saturday, March 27

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Program count_down.py

The program produces a count down from a user-supplied positive interger number down to 0. If the user provides a zero or negative number, the program performs repeated requests until a positive number is supplied.

After the positive number is obtained, a count down from that positive number to 0 is displayed (one count number per line)

Two sample runs

Enter positive number: 5

5

4

3

2

1

0

Enter positive number: -3

Enter positive number: -1

Enter positive number: 0

Enter positive number: 4

4

3

2

1

0

 

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Resources from previous semesters are available.