Functions in Python

x = ['ab', 'cd']
print(map(len, x))

def check(n):
    if n < 2:
        return n % 2 == 0
    return check(n - 2)
print(check(11))

x = ['ab', 'cd']
print(list(map(len, x)))

def f():
    global a
    print(a)
    a = "hello"
    print(a) 
a = "world" 
f()
print(a)

x=12
def f1(a,b=x):
    print(a,b)
x=15
f1(4)

elements = [0, 1, 2]
def incr(x):
    return x+1
print(list(map(elements, incr)))

def test(i,j):
    if(i==0):
        return j
    else:
        return test(i-1,i+j)
print(test(4,7))

def to_upper(k):
    k.upper()
x = ['ab', 'cd']
print(list(map(to_upper, x)))