Reverse a number

[kLgG40]

Hi! So for my homework assignment, we have to reverse a four digit number.

# Python Class 2402
# Lesson 2 Problem 6
# Author: KitKatKarateIlluminati (491160)

FourDigit = int(input("Please enter a four digit number: "))

First = FourDigit % 10
Second = ((FourDigit % 100) - First)/10
Third = (FourDigit - (Second * 10 + First))/100
Fourth = (FourDigit - (First + Second * 10 + Third * 100))/1000

Reverse = Fourth + Third * 10 + Second * 100 + First * 1000
print(Reverse)

Can you guys please tell me why this is wrong?

Thanks in advance!