The index() method finds the first occurrence of the specified value. The index() method raises an exception if the value is not found. The index() method is almost the same as the find() method, the only difference is that the find() method returns -1 if the value is not found.

Dec 31, 2024 · In Python, indexing and slicing are techniques used to access specific characters or parts of a string. Indexing means referring to an element of an iterable by its position whereas slicing is a feature that enables accessing parts of the sequence. String Indexing allows us to access individual characters in a string.

Nov 7, 2024 · The index() method in Python is used to find the position of a specified substring within a given string. It is similar to the find() method but raises a ValueError if the substring is not found, while find() returns -1 .

Dec 15, 2021 · We do this by putting the index numbers in square brackets. Let’s declare a string, print it, and call the index number in square brackets: Info: To follow along with the example code in this tutorial, open a Python interactive shell on your …

Jul 8, 2014 · I am trying to find an element in a list (string) and then print the index. Here is my code: if i == "Monday": position = i. print("Found it") print(position) But i am getting the result:

Nov 19, 2024 · To get index of a substring within a Python string can be done using several methods such as str.find(), str.index(), and even regular expressions. Each approach has its own use case depending on the requirements.

Mar 11, 2014 · In Python 3.x, print is not a statement as in Python 2.x, but rather a function. You can use it like this: Additionally, enumerate is great for what you're trying to do: print(i, c) Note that you can use print as a Python 3.x-style function in Python 2 if you import it from the __future__ package (for Python 2.6 and up):

Oct 17, 2013 · print months.index(month[0])+1. print "abbr {0} found at index {1}".format(abbr, index) print "abbr {0} not found".format(abbr)

index() Return Value. If substring exists inside the string, it returns the lowest index in the string where substring is found. If substring doesn't exist inside the string, it raises a ValueError exception. The index() method is similar to the find() method for strings.

Summary: in this tutorial, you’ll learn how to use the Python string index() method to get the index of a substring in a string. The string index() method returns the lowest index of a substring in a string. The following shows the syntax of the index() …