Python program to create a function for reverse the number

Write a python program to create a function which reverse the given number

def reverse(num):
    rev=0
    while num>0:
        rev=rev*10+(num%10)
        num=num//10
    return rev
num=int(input("Enter any Number "))
ans=reverse(num)
print("Reverse of Number is : ",ans)

Enter any Number 2345

Reverse of Number is :  5432