Python program to check character is alphabetic character or not

Write a Python program to  check character is alphabetic character or not

ch=input("Enter any alphabetic character : ")
if ch>='A' and ch<='Z':
    print("The Character is an upper case letter")
elif ch>='a' and ch<='z':
    print("The Character is an lower case letter")
else:
    print("This is not an alphabetic character!")

Enter any alphabetic character : f

The Character is an lower case letter

>>> 

======================== 

Enter any alphabetic character : R

The Character is an upper case letter

>>> 

======================== 

Enter any alphabetic character : 4

This is not an alphabetic character!

>>> 

======================== 

Enter any alphabetic character : #

This is not an alphabetic character!

>>>