(text)
return None
Detect if text is an environment variable and read it.
    Returns:
        Value/None if successful or not.
Detect if text is an environment variable and read it.
    Returns:
        Value/None if successful or not.
Detect if text is an environment variable and read it . Returns : Value / None if successful or not .
def read_env_var(text):
    """Detect if text is an environment variable and read it.
    Returns:
        Value/None if successful or not.
    """
    return None
def read_env_var ( text ) : return None