code: def default(*args, **kwargs):
      
      default = kwargs.get('default', None)
      for arg in args:
          if arg:
              return arg
      return default
docs: Return first argument which is "truthy"
  
      >>> default(None, None, 1)
      1
      >>> default(None, None, 123)
      123
      >>> print(default(None, None))
      None