A study partner who listens while you code — and talks back.

You know how to solve it. You fall apart explaining it.

Practice explaining code out loud with a coach who talks back — so studying stops feeling like homework and you stop blanking in real interviews.

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two_sum.py

# Two Sum
# Find two numbers that add to target
# return their indices
# hash map for linear time
# Arrays & Hashing

PythonRun

Coco

Coach

Sample

This solution passes. Which line keeps one array element from being used twice?

Check for the complement before storing the current index.

Do the first rep before you decide. Hear one thing worth tightening.

Start with Two Sum. Guest text is free. Hosted voice is the Own Words Pack.