Dec 13, 2008 · l = list(map(int,input().split(","))) num = int(input()) for i in range(len(l)): if l[i] == num: print(i) Explanation: Taken a list of integer "l" (separated by commas) in line 1. Taken a integer "num" in line 2.

Jan 7, 2025 · list index () method searches for a given element from the start of the list and returns the position of the first occurrence. element: The element whose lowest index will be returned. start(optional): The position from where the search begins. end(optional): The position from where the search ends.

Nov 19, 2009 · If you know what you're looking for ahead of time you can use the index method: print index, s. The position is called by stocks_list.index(s), for example: print(stocks_list.index(s)) This is already stated by the top-voted answer.

The index() method returns the position at the first occurrence of the specified value. Required. Any type (string, number, list, etc.). The element to search for. Optional. A number representing where to start the search. Optional. A number representing where to end the search.

Another common exercise where index is often needed in a loop is to find the index of the first item in a list that satisfies some condition (e.g. greater/smaller than some target value). In the following example, we want to find the index of the first value that exceeds 2.5.

Feb 24, 2022 · You can give a value and find its index and in that way check the position it has within the list. For that, Python's built-in index() method is used as a search tool. The syntax of the index() method looks like this:

In this Python tutorial, we will learn how to find the position of an element in a list in Python. To find the position of an element in a list, we need to understand the concept of the index of the elements in a list.

Mar 28, 2025 · Learn how to use Python's index() function to find the position of elements in lists. Includes examples, error handling, and tips for beginners.

Oct 29, 2024 · If you want to find the position of a specific value, use the index() method. It returns the index of the first occurrence of the value. This method helps when locating specific items. See Find Duplicate Subsets in List Python for related techniques.

Sep 3, 2024 · Finding the position of an item in a list is a common task in Python programming. The index() method provides a convenient way to find the position of an item in a list. Alternatively, a for loop can be used to iterate through the list and check each element until the desired item is found.