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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_suffix(name):
 """Check if file name have valid suffix for formatting. if have suffix return it else return False. """

    a = name.count(".")
    if a:
        ext = name.split(".")[-1]
        if ext in LANGS.keys():
            return ext
        return False
    else:
        return False