Functions in Python

x = [34, 56]
print((''.join(list(map(str, x))),))

x = [[0], [1]]
print(len(' '.join(list(map(str, x)))))

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

l1=[1, 2, 3, [4]]
l2=list(l1)
id(l1)==id(l2)

def display(b, n):
    while n > 0:
        print(b,end="")
        n=n-1
display('z',3)

def foo(fname, val):
    print(fname(val))
foo(max, [1, 2, 3])
foo(min, [1, 2, 3])

def cube(x):
    return x * x * x      
x = cube(3)    
print x

def f1():
    global x
    x+=1
    print(x)
x=12
print("x")

l1=[10, 20, 30]
l2=l1
id(l1)==id(l2)
 
l2=l1.copy()
id(l1)==id(l2)