importando bibliotecas math e cmath

#! /usr/bin/env/python
# coding:UTF-8

#from math import pow, factorial, log
#from math import *
#from cmath import *
import math
import cmath

#print(pow(2, 2))
#print(factorial(5))
#print(log(4, 2))
#print(cos(180))
print(math.pow(2, 2))
print(math.factorial(5))
print(math.log(4, 2))
print(math.cos(180))

print(cmath.log(2.10))