doubletter

double each character in a string doubletter('asdf') → 'aassddff' doubletter('what the heck') → 'wwhhaatt tthhee hheecckk' doubletter('slap') → 'ssllaapp' Go...Save, Compile, Run (ctrl-enter)Show Solution def doubletter(str): Go Editor font size %:75100125150 Shorter output

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