Real questions from top companies in Python/Coding
Python libraries - Pandas, NumPy, Matplotlib for data processing
Reverse a string with special characters preserved.
S3 Cleanup Command - write script for managing and cleaning up outdated S3 objects
Solve for the Kth smallest element in a Binary Search Tree.
Solve the Dutch National Flag problem in one pass. How would you handle it?
Trapping Rain Water - calculate amount of water trapped between array elements
What is the difference between list1 = list2 and list1.copy()?
Write Python code to remove duplicates from a string.
Write a Python program to reverse words in a string.
Write a decorator function to log the execution time of a function.
Write a function that replaces all characters in a list except for a given character
Write a higher-order function to filter values greater than a threshold in a list.
Write a swap function without if-else.
Write code for character frequency in a text file.
Write code using Java's concurrent API (forEach, forEachEntry, forEachKey)
Type or paste your answer to any of these questions and our AI Coach scores it, highlights gaps, and rewrites it at FAANG quality. Free to try.