
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Need done in python, thanks.

Transcribed Image Text:15. (6 points) A flag is used to
a. Count the number of times a situation happened
b. Record how long ago a situation happened
c. Indicate if a situation happened or not at some time in the past
d. Store the value of the error message if one happens
e. Display a rectangular shape on a graphics window
16. (6 points) Given below is a for loop. Write an equivalent while loop that gives the same output.
for i in range(3):
print(i * 2)
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