The Zigzag Encoder

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

Domain

Python

Difficulty

medium

Seniority

mid, senior

Problem

A custom encoding scheme writes characters in a zigzag pattern across a fixed number of rows, then reads them row by row. Write a function that takes a string and a number of rows, and returns the string after applying the zigzag encoding pattern.

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