skirpappi

#python
#3/13/18 (F Day)

#python
#uppercase + lowercase math loop HW
import string #access to string functions
def login():
    username = raw_input("Enter Username: ")
    print string.upper(username) #makes username all uppercase
    password = raw_input("Enter Password: ")
    print string.lower(password) #makes password all lowercase

login()

print "\nPowers of 2 from 1-20:" #title of assignment
value = 2 #base number is 2
n = 1 #starting exponent

while n != 21:
    print(str(value)+ "^" + str(n) + " ="),
    print (value ** n)
    n += 1 #continuous loop until condition is met