A medium Python interview practice problem on DataDriven. Write and execute real python code with instant grading.

Domain

Python

Difficulty

medium

Seniority

L4

Problem

Given a string s and an integer rows (>= 1), write s in a zigzag pattern across that number of rows, then read the characters row by row to produce the encoded output. If rows == 1, the output equals the input.

Summary

The message snakes its way across the rails.

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