Well, some times we are writing a flexible Text ui program. we may use `clear` lot of times. This should be used when we haven't any valuable data on the screen. Also, who that uses this function, knows this will clear valuable data :). Sometimes also i use this command. but every time a should check that is this operation windows or not, to determine `clear` or `cls`. I think this is very helpful for making this easier.
The best feature of Python is its simplicity and power. More helper functions to make the code shorter and knowable, is a good thing for Python. Also about the Windows API instead of `cls`, i don't know more thing. But i think its not a big problem and `cls` works.