Python Cheat Sheet

shoppinglist = ('tshirt', 'pants', 'socks')
 for myvariable in shoppinglist:
     print  (myvariable)


print (shoppinglist(1))

for number in range(5):
    print (number)

firstname = input (" What is your first name? ")
lastname = input (" What is your last name? ")
fullname = ( firstname + " " + lastname )
print (fullname)
letternumber = int(input( " What is letter number? " ))
if letternumber > len(fullname):
    print ( " invalid letter number, try again! " )
else:
    letter = (fullname[letternumber])
    print (letter)
    numberletter = int(input(" How many times to print letter? "))
    if numberletter > 100:
        print (" Too many letters to print! " )
        else:
            print ( letter * numberletter )

# Create a program that recieve a number from the user
# from that number on the same line

#recieve the number from the user as a string
user_number = input

#convert the user number to an integer
number = int(user_number)

#setup the countdown string
countdown_string = ""

while number > ():#the number is greater than 0)
    remainder =
    print (number) 
    #binary_string = 

#output should look like this
# if the user enters 5:
# 5 4 3 2 1
print (countdown_string)

while 2==2:
    #Ask the user for a radius of a circle
    user_radius = input("What is the radius? ")

    #Convert the given radius to a floating point
    radius = float(user_radius)

    #make a variable called pi
    pi = 3.1415

    #Calculate the area of the circle using exponents
    area = pi * radius ** 2

    #display the area of the circle to the user
    print ("The area of the circle is",area)

user_number = input("Enter a number to convert to binary:")
number = int(user_number)
binary_string = ''
while (number>0):
       remainder = number % 2 
       binary_string = str(remainder) + str(binary_string)
       number = number // 2
print ("Binary string is '', binary_string)