Since functions can be passed into functions, that also means that functions can accept another function as an argument. Thefilterfunction assumes its first argument is a function. You can think of thefilterfunction as pretty much the same as this function: deffilter(predicate,iterable):return(it...
Our next example illustrates passing a function to the sorted() function. When we call the latter with a single argument (the list to be sorted), it uses the built-in comparison function cmp(). However, we can supply our own sort function, e.g. to sort by decreasing length. >>> sor...
my_function("Sweden") my_function("India") my_function() my_function("Brazil") Try it Yourself » Passing a List as an Argument You can send any data types of argument to a function (string, number, list, dictionary etc.), and it will be treated as the same data type inside the...
For another example, setting the ``default`` argument to ``"C:/myjunk/*.py"`` sets the open file dialog to the C:\myjunk folder and showing only files that have the .py file extension. This glob pattern at the end of the ``default`` argument is required: passing ``"C:/myjunk...
a mapping is passed, the sorted keys will be used as the `keys`argument, unless it is passed, in which case the values will beselected (see below). Any None objects will be dropped silently unlessthey are all None in which case a ValueError will be raised.axis : {0/'index', 1/'...
Python raises TypeError with an error message that says the function requires an argument named destination. If the rocket ship's computer is asked to compute the travel distance with a destination, it should prompt that a destination is a requirement. The example code has two paths for a ...
The only difference is that the decorator will receive a class and not a function as an argument. In fact, all the decorators that you saw above will work as class decorators. When you’re using them on a class instead of a function, their effect might not be what you want. In the ...
That means that when you say await asyncio.sleep(10), you are making a promise that the sleep function will run, and then passing it up to the event loop and waiting for the result. Let's look at an example: NOTE This example has a deliberate sleep in it to represent a blocking ...
Nuitka has a --help option to output what it can do: nuitka --help The nuitka-run command is the same as nuitka, but with a different default. It tries to compile and directly execute a Python script: nuitka-run --help This option that is different is --run, and passing on argumen...
Loop through a Dictionary 5.Nesting 6.inpt 7.While Loops Let the User to Choose When to Quit Modify Lists and Dictionaries with While Loop 8.Function Keyword Arguments Default Values Return a Dictionary Passing a List as an Argument: