dmf.env.getenv# dmf.env.getenv(key: str, default: str | None = None) → str | None[source]# Retrieve an environment variable’s value. Parameters: key (str) – The name of the environment variable. default (Optional[str], optional) – The default value to return if the environment variable is not found. Defaults to None. Returns: The value of the environment variable, or the default value if the variable is not set. Return type: Optional[str]