#code to learn about variables

#variables can be a string
greeting = "hello world"

#they can also be numbers
fav_num = 10
print(fav_num * 2)

num_string = "5"
print(num_string * 5)

#below if a constant (the name is in UPPERCASE)
PI = 3.14

num_2 = 2 #not 2_num