users_name = input("Hi..I'm Python..what's your name? ")
print("Welcome " + users_name + " are you cool to code? ")
print("lets calculate the volume of a cube in mm3")
input1 = input("length of side in mm> ")

number1 = float(input1)

result = number1 * number1 * number1
print("The volume of your cube is " + str(result) + " mm3")