# Part 1 of the Python Review lab.

def hello_world():
	return "hello_world"
print(hello_world())

def greet_by_name(name):
	return "hello" + name
print(greet_by_name(" mai"))

def encode(x):
	return x*3953531
print(encode(1))

def decode(y):
	return y/3953531
print(decode(1))


