String-2 > double_char
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Given a string, return a string where for every char in the original, there are two chars. double_char('The') → 'TThhee' double_char('AAbb') → 'AAAAbbbb' double_char('Hi-There') → 'HHii--TThheerree' Go...Save, Compile, Run (ctrl-enter)Show Hint def double_char(str): Go Editor font size %:75100125150 Shorter output

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