Can anyone tell me how to write a simple PYTHON program to reverse a 3 or 4 digit number???

Question

Example :123~321

Answer 1

- input a number as a string or convert an integer to a string (str)
- reverse the string ([::-1])
- convert it to an integer (int)

Answer 2

num = 123
num2 = int(str(num)[::-1])
print(num2) #321

Answer 3

Or the stupid way
https://code.sololearn.com/cJM2rP7nIKjT/?ref=app