a = [10,5,0,15,20]
b = a.sort()
print(b)

a = 2
b = 3

print(a ^ b)

t = [0] 
s1 = s2 = t 
s1 += [1] 
s2 += [1] 

print(t)

a = {"a":1, "b":2}
b = {"c":3, "d":4}

print(a + b)

a = [1,2,3]
b = [3,4,5]

print(a + b)

a = [1,2,2,3,2,9,6,5]
b = set(a)
c = [3,4,5,4]

print(len(b) + sum(c))

a = 1

def dummy():
    a += 10 
    print(a)

dummy()

a = {1,2,3,3,4,5}
print(a[3])

a = 1 + 2j

print(type(a))

a = 1

def dummy(): 
      a += 10 
       print(a)

print(a)