function receives a list of arguments of the same nature, it is often more
clear to define it as a function of one argument, that argument being a list or
any sequence. Here, if ``send`` has multiple recipients, it is better to define
function receives a list of arguments of the same nature, it is often more
clear to define it as a function of one argument, that argument being a list or
any sequence. Here, if ``send`` has multiple recipients, it is better to define