Python Functions

Do you know that when you define a Python function you can set a default value for its parameters? This tutorial will show you how to do it. Generally, when calling a Python function you provide arguments for all the parameters defined in the function. When you use default parameters you give default values to … Read more

If you haven’t used the Python zip() function yet this is an opportunity to look at how it works and how you can use it in your programs. The Python zip() function takes as input multiple iterables and returns an iterator of tuples where the n-th tuple contains the n-th element from every iterable. The … Read more

Python’s reduce function is one of those topics you encounter the more you code in Python. It might sound complex, but is that really the case? The Python reduce function applies a function of two arguments to the items of an iterable and it returns a single value. The function is applied to two items … Read more

The next() function is useful when working with iterators and it’s a must-know for Python developers. The Python next() function takes as the first argument an iterator and as an optional argument a default value. Every time next() is called it returns the next item in the iterator until no items are left. At that point the next … Read more

Enumerate is a Python built-in function that not all developers know about. It can be quite useful to simplify the way your programs are written and to avoid using indexes or counters with iterable objects. And avoid possible bugs! Before looking at how enumerate() works we will have a look at Python loops written in … Read more