To get the number of elements in a list in Python, you can use the len() function. Here's an example: my_list = [1, 2, 3, 4] num_elements = len(my_list) print(num_elements) # Output: 4 Try it Yourself » Copy Watch a video course Python - The Practi...
Example 1: Get the Position of an Element Using the “index()” Method from the Python List The “index()” method integrated into Python provides a basic and straightforward technique to discover the location of an element in a list. If the element exists, it delivers the index of its i...
Use themax()andoperator.itemgetter()Functions to Find the Index of the Maximum Element in a List in Python Theitemgetter()function from theoperatormodule returns a callable object which can be utilized to get an element from its operand (the operand being iterable). ...
Python program to index every element in a list except one # Import numpyimportnumpyasnp# Creating a numpy arrayarr=np.array([0,1,2,3,4,5])# Display original arrayprint("Original Array:\n",arr,"\n")# Defining an empty listres=[]# Looping over arr to make a copy# without the ...
4 Ways to Get the Last Element of a List in Python As always, I try to create video summaries for folks who want to see the code executed live. In this case, I’ve featured all four solutions from this article in one ten-minute video. In other words, you’ll see me live code ...
# Python program to find the length of a list # Getting list from user myList = [] print("Enter list element , (-1 to exit): ") while(1): val = int(input()) if(val == -1): break myList.append(val) # Finding the length of the list count = 0 for i in myList: coun...
Use thenumpy.where()Function to Find the Indices of All the Occurrences of an Element in Python TheNumPylibrary has thewhere()function, which is used to return the indices of an element in an array based on some condition. For this method, we have to pass the list as an array. The ...
In this example, we used a lambda functionlambda x: x[0]as the key to sort the list by the first element of each tuple. Here is the output you can see the screenshot below: Check outHow to Get the Index of an Element in a List in Python?
This will return a value of 3. Use the Length Command to Find the Length of the List and Print it Indexing in Python Lists In a Python list, each item can be accessed by its index number. Python, like other modern-day languages, is azero-indexed languagei.e., it will start its cou...
1. Access a Single Element from a List The simplest way to select an item from a list is by using its index. In Python, list indices start at 0, meaning the first item has an index of 0, the second item has an index of 1, and so on. Here’s how you can access single elemen...