parameters: (env_var_name: str)
return_statement: return True
docstring: Returns whether or not an environment variable is set.
docstring_summary: Returns whether or not an environment variable is set.
docstring_tokens: Returns whether or not an environment variable is set .
function: def is_env_var_set(env_var_name: str):
      """
      Returns whether or not an environment variable is set.
      """
      var = os.getenv(env_var_name)
      if var is None:
          return False
      return True
function_tokens: def is_env_var_set ( env_var_name : str ) : var = os . getenv ( env_var_name ) if var is None : return False return True