Double_Char.md

CodeWars Python Solutions

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Double Char

Given a string, you have to return a string in which each character (case-sensitive) is repeated once.

double_char("String") ==> "SSttrriinngg"

double_char("Hello World") ==> "HHeelllloo  WWoorrlldd"

double_char("1234!_ ") ==> "11223344!!__  "

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Given Code

def double_char(s):
    pass

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Solution

def double_char(s):
    return "".join([c * 2 for c in s])

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