Daily Coding Problem: Problem #905 [Medium]

Good morning! Here's your coding interview problem for today.

This problem was asked by Dropbox.

Given a list of words, determine whether the words can be chained to form a circle. A word X can be placed in front of another word Y in a circle if the last character of X is same as the first character of Y.

For example, the words ['chair', 'height', 'racket', touch', 'tunic'] can form the following circle: chair --> racket --> touch --> height --> tunic --> chair.

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