import math

pi = math.pi
e = math.e
tau = math.tau
x = 81
y = 7
z = -23234.5454
print(pi)
print(e)
print(tau)
print(math.sqrt(x))
print(math.factorial(y))
print(math.floor(z))
print(math.degrees(y))
print(math.radians(45))