Functions in Python

def f1(x):
    global x
    x+=1
    print(x)
f1(15)
print("hello")

def foo(x):
    x = ['def', 'abc']
    return id(x)
q = ['abc', 'def']
print(id(q) == foo(q))

def sayHello():
    print('Hello World!') 
sayHello() 
sayHello()

l=[1, 2, 3, 4, 5]
m=map(lambda x:2**x, l)
print(list(m))

import functools
l=[1,2,3,4]
print(functools.reduce(lambda x,y:x*y,l))

def foo():
    total += 1
    return total
total = 0
print(foo())

m=reduce(lambda x: x-3 in range(4, 10))
print(list(m))

y, z = 1, 2
def f():
    global x
    x = y+z