I have stucken on Exception handling in python

Question

This is the problem i need to solve. As a beginner i have tried a lot but can't figure out the problem.
Please help to clear it.Thanks in advance.

"""We need to create a program that allows users to create their own PIN codes for their bank cards. Each PIN code consists of digits. Complete the program so that when the user enters a character, the program stops and outputs "Please enter a number" and when the user enters only digits, the program outputs "PIN code is created". """

Sample Input
44a5

Sample Output
Please enter a number

Answer 1

Show your code

Answer 2

What!??

Answer 3

Mahmodul Islam Sourav For the specific problem you mentioned, you don't need exception handling.

You can use the built-in Python String method isdecimal( ) to check if your sample input is all 0-9 or not, and respond accordingly.

If you must use exceptions, they follow the below basic format:

try:
# Indented code block
# which might generate exception.
# Can generate exception yourself
# with 'raise <exception>("msg")'
except:
# Indented code block
# to handle exception.
# Can have multiple except blocks
# to handle different exceptions.
else:
# OPTIONAL indented code block
# to handle if no exception occurs.
finally:
# OPTIONAL indented code block
# to always run whether exception
# occurs or not.

You might check your input for letters and raise an exception if any found.
Then your except block would handle letting the user know.