Pythonenumerate()Function ❮ Built-in Functions ExampleGet your own Python Server Convert a tuple into an enumerate object: x = ('apple','banana','cherry') y =enumerate(x) Try it Yourself » Definition and U
Explanation –In the above example, the enumerate() function is used to iterate over the list of the persons and return a tuple containing the index and value of each element. The dictionary comprehension then creates a new dictionary where the keys are the indices and the values are the cor...
The enumerate() function returns an enumerate object. iterable must be a sequence, an iterator, or some other object which supports iteration. Note: The __next__() method of the iterator returned by enumerate() returns a tuple containing a count (from start which defaults to 0) and the v...
start(optional) -enumerate()starts counting from this number. Ifstartis omitted,0is taken asstart. enumerate() Return Value Theenumerate()functionadds a counter to an iterable and returns it. The returned object is an enumerate object. An enumerate object is an iterator that produces a sequence...
Python’senumerate()function helps you keep count of each object of a list, tuple, set, or any data structure that we can iterate (known as iterable). For example, suppose we have a list of planets (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune). If we consider the ...
The enumerate() function takes an iterable and returns an enumerate object (an iterator) that produces a tuple of the form (index, value), where inde…
13. Enumerate Enumerate is a built-in function of Python. Its usefulness can not be summarized in a single line. Yet most of the newcomers and even some advanced programmers are unaware of it. It allows us to loop over something and have an automatic counter. Here is an example:...
Applyenumerate()in a fewreal-world examples Get values fromenumerate()usingargument unpacking Implement your ownequivalent functiontoenumerate() You also sawenumerate()used in some real-world code, including within theCPythoncode repository. You now have the superpower of simplifying your loops and ...
So what happens when you use the enumerate function on a string object? An item in a string is a single character. So if you enumerate over a string, you will get back the index and value of each character in the string. Let’s take an example: str = "Python" for idx, ch in en...
For example: >>> for i, season in enumerate([’Spring’, ’Summer’, ’Fall’, ’Winter’]): ... print i, season 0 Spring 1 Summer 2 Fall 3 Winter 我试了一下,如果那句循环改成 for season in [’Spring’, ’Summer’, ’Fall’, ’Winter’]: ...