def myfun(): ch = input("Enter any character : "); if ch == '0': print("You Enter '0'."); exit(); else: if((ch>='a' and ch<='z') or (ch>='A' and ch<='Z')): print(ch, "is an alphabet."); else: print(ch, "is not an alphabet."); if __name__=="__main__": myfun()
Enter any character: R
R is an alphabet.