Write a function, stringify_digit that takes a single digit (integer) and returns the corresponding digit as a string. For example, stringify_digit(9) returns "9" and stringify_digit(0) returns "0". You may assume that only the digits 0 to 9 will be passed in as arguments to your function. You may not use the str() function for this function.

I’d say platform as a service (paas) or application platform as a service (apaas) or platform base service is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app.