text: __author__ = 'chira'
  
  '''setting default values to arguments of function
  Eg. getting gender on a social media profile'''
  
  
  # if NO INPUT GIVEN then the input value BY DEFAULT is "Unknown"
  def get_gender(sex='Unknown'):
      if sex is 'm':
          sex = 'Male'
      elif sex is 'f':
          sex = 'Female'
      print(sex)
  
  
  get_gender('m')
  get_gender('f')
  get_gender()  # input NOT given, therefore DEFAULT input considered
  