#  def keyword

def func():
    print("Inside Function")

func()

Inside Function

#  return keyword

def func_return():
    x = 20
    return x

def func_no_return():
    y = 50

    return y

print(func_return())

20

print(func_no_return())

50

def func():
    x = 0
    for i in range(5):
        x += i
        yield x

for i in func():
    print(i)

0
1
3
6
10

for i in func():
    print(i)

0
1
3
6
10