code: def parse_variables(args):
      
  
      if args is None:
          return {}
  
      def parse_variable(string):
          tokens = string.split('=')
          name = tokens[0]
          value = '='.join(tokens[1:])
          return name, value
  
      return {
          name: value
          for name, value in (parse_variable(v) for v in args)
      }
docs: Parse variables as passed on the command line.
  
      Returns
      -------
      dict
          Mapping variable name to the value.