text: # -*- coding: utf-8 -*-
  """
  Created on Sun Jun 24 16:26:56 2018
  
  @author: joshu
  """
  
  
  letter_z = 'z'
  num_3 = '3'
  a_space = ' '
  
  # Check if all characters are numbers
  print("Is z a letter or number: ", letter_z.isalnum())
  
  # Checks if all characters are alphabetical 
  print("Is z a letter: ", letter_z.isalpha())
  
  # Check if num_3 is a number
  print("Is 3 a number: ", num_3.isdigit())
  
  # Checks if letter_z is lowercase
  print("Is z a lowercase: ", letter_z.islower())
  
  # Checks if letter_z is uppercase
  print("Is z a uppercase: ", letter_z.isupper())
  
  # Checks if a_space is a space
  print("Is a space a space: ", a_space.isspace())
  
  