CSC111 Exercises on nested for-loops

--D. Thiebaut (talk) 10:32, 24 February 2014 (EST)

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Exercise 1

This is taken from Section 4.7 in the textbook:

for i in range(4):
   for j in range( i+1 ):
      print( "*", end="" )
   print()

The output is

 *
 **
 ***
 ****

Question

Modify the program so that it outputs this pattern

 ****
 ***
 **
 *

Exercise 2

Modify the program so that it outputs this pattern:

    *
   **
  *** 
 ****