Note: To run Python scripts, open a command line and type Python or Python 3. Beginners Guide to Python: Learn the Syntax There’s no running away from syntax if you’re new to programming.

This doesn't bother Python, but it should bother you, either because the type annotation needs to be loosened up, or because (as in this case), it's calling the function with the wrong type of ...

This post explains how to run Python apps on PC, Mac, Linux, Android, iOS, or even the web. Know your options when writing Python code!