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Given a string, return a new string where the first and last chars have been exchanged. front_back('code') → 'eodc' front_back('a') → 'a' front_back('ab') → 'ba' Go...Save, Compile, Run (ctrl-enter)Show Solution def front_back(str): Go Editor font size %:75100125150 Shorter output

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Difficulty: 133.0

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