''' Name: 
    Computing ID: 

    Purpose: demonstrate nested loop abilities

    Problem: Get an integer n from the user and then print an n-by-n
        grid of one-digit numbers, where the digit in the r-th row, c-th
        column is the the last digit of the product r x c

'''

# Get an integer n from the user

# Print an n-by-n grid one row at a time.