"""

"""

import math



print(math.pi)
print(math.e)

print(int(math.sqrt(16)))
print(math.factorial(6))
print()

print(math.sin(0))
print(math.sin(math.pi/2))
print(math.sin(math.pi))
print(math.sin(math.pi*1.5))
print(math.sin(math.pi*2))
print()

prod = 1
# 1x2x3...x6

for i in range(1, 7):
    prod *= i

print("prod = {}".format(prod))


