"""
Loop practice

Jan 2019
"""

def main():
    #Print tricky three times, once per line
    for i in range(3):
        print("tricky")

    #Print squares of the numbers 1 thru  5
    for i in range(5):
        print(str(i+1) + "^2 == " + str((i+1)**2))

    #get user input 3 times,
    #square each input and print result
    for i in range(3):
        val = float(input("Enter the next number: "))
        print(str(val) + "^2 == " + str(val**2))


    #get a positive integer n from a user,
    #print values from n to 1 in decreasing order
    #one value per line
    n = int(input("Enter a positive integer: "))
    for i in range(n):
        print(n-i)



main()