Functions in Python

def foo(i, x=[]):
    x.append(i)
    return x
for i in range(3):
    print(foo(i))

def f(x):
    print("outer")
    def f1(a):
        print("inner")
        print(a,x)
f(3)
f1(1)

def f1(a,b=[]):
    b.append(a)
    return b
print(f1(2,[3,4]))

x = abcd
print(list(map(list, x)))

def f1():
    x=100
    print(x)
x=+1
f1()