function(a, b) Note that file is one of Python's core modules, so I suggest you change the filename of file.py to something else. Note that if you're trying to import functions from a.py to a file called b.py, …

As is, it does absolutely nothing. It is a type annotation for the main function that simply states that this function returns None. Type annotations were introduced in Python 3.5 and are specified in PEP …

What does the @ symbol do in Python?What's the syntactic or practical benefit of having decorators here, instead of (for example) just calling something like app.route("/", hello) immediately after …

@zthomas.nc this question is about how to support multiple arguments for multiprocessing pool.map. If want to know how to call a method instead of a function in a different Python process via …

Another option since Python 3.3 might be to use perf_counter or process_time, depending on your requirements. Before 3.3 it was recommended to use time.clock (thanks Amber). However, it is …

So .def files can be used to create a compatible import library. Paragraph telling you a way to hide some functions from import library, with manual editing .DEF file and instruct linker to hide some functions.

As the Style Guide for Python Code admits, The naming conventions of Python's library are a bit of a mess, so we'll never get this completely consistent Note that this refers just to Python's standard …

How to use variable from def? in Python Asked 10 years, 11 months ago Modified 10 years, 11 months ago Viewed 4k times

For a language-agnostic consideration of the design decision, see What is the advantage of having this/self pointer mandatory explicit?. To close debugging questions where OP omitted a self …

def test(): global a a = a + 10 print(a) Using the global keyword just tells the test where to look for a. With the first method, you can't modify the global variable a, because you made a copy of it and you're …