Real questions from top companies · easy
How do you clean missing values in a pandas DataFrame?
How do you install a Python library that is not in the Databricks runtime?
How do you sort a dictionary based on values?
How would you configure workload management (WLM) queues for heavy queries?
How would you implement a program to determine the frequency of each letter in a string?
How would you test these functions with edge cases?
Identify the Unix command that lists files with specific permissions
Implement a context manager class for a sequence generator using __enter__ and __exit__
Implement a function to find the maximum sum subarray (Kadane's algorithm).
Implement a function to reverse a string without using built-in methods.
Implement a generator function to yield Fibonacci numbers.
Implement a program to find the intersection of two lists.
Implement a program to remove duplicates from a list while maintaining order.
List Comprehension - example
Problem based on lists operations
Python libraries - Pandas, NumPy, Matplotlib for data processing
S3 Cleanup Command - write script for managing and cleaning up outdated S3 objects
Solve for the Kth smallest element in a Binary Search Tree.
Trapping Rain Water - calculate amount of water trapped between array elements
What is the difference between list1 = list2 and list1.copy()?
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.