print(2);print(45.234234233453)
print(3+1.5)
print(str(45) + " my favo number")
print("3^2 = ",pow(3, 2))
print("3^2 = ",3**2)
num = -9
print("abs of -9 is ",abs(num))
print("max : ",max(45,190));print("min : ",min(45,190))
print("round 3.75 : ",round(3.75))

from math import *
print("floor(3.9) :",floor(3.9))
print("ceil(3.1) :",ceil(3.1))
print("sqrt(10) : ",sqrt(10))