code: def resolve(self):
          
  
          # AWS_* variables must always be passed to the function, but user has the choice to override them
          result = self._get_aws_variables()
  
          # Default value for the variable gets lowest priority
          for name, value in self.variables.items():
  
              # Shell environment values, second priority
              if name in self.shell_env_values:
                  value = self.shell_env_values[name]
  
              # Overridden values, highest priority
              if name in self.override_values:
                  value = self.override_values[name]
  
              # Any value must be a string when passed to Lambda runtime.
              # Runtime expects a Map<String, String> for environment variables
              result[name] = self._stringify_value(value)
  
          return result
docs: Resolves the values from different sources and returns a dict of environment variables to use when running
          the function locally.
  
          :return dict: Dict where key is the variable name and value is the value of the variable. Both key and values
              are strings