Master counting specific items in Python lists with the efficient .count() method. Explore alternatives, performance tips, and best practices for your coding needs.
Learn the most efficient way to get list length in Python using len() function. Complete guide with examples, performance tips, and common use cases for counting elements in Python lists.
Learn efficient methods to remove elements from lists by index across Python, JavaScript, Java, C#, Ruby, and Perl. Discover performance-optimized techniques with O(1) to O(n) time complexity comparisons and best practices for error handling.
Learn the best methods to randomly select items from Python lists. Compare performance of random.choice(), random.sample(), and other approaches. Complete guide with code examples.
Learn multiple methods to concatenate lists in Python including + operator, extend(), unpacking, itertools.chain(), and list comprehensions. Compare performance and choose the best approach for your needs.
Learn how to find the index of an item in a Python list using the index() method. Discover exception handling, alternative approaches, and performance optimization tips for efficient list searching.