<doocs>0500.Keyboard Row_1.py
def findWords( words: List[str]) -> List[str]:
    s1 = set('qwertyuiop')
    s2 = set('asdfghjkl')
    s3 = set('zxcvbnm')
    res = []
    for word in words:
        t = set(word.lower())
        if t <= s1 or t <= s2 or t <= s3:
            res.append(word)
    return res
def sample_funcname ( var_0 : List [ str ] ) -> List [ str ] :
    var_5 = set ( 'qwertyuiop' )
    var_7 = set ( 'asdfghjkl' )
    var_9 = set ( 'zxcvbnm' )
    var_10 = [ ]
    for var_11 in var_0 :
        var_13 = set ( var_11.lower ( ) )
        if var_13 <= var_5 or var_13 <= var_7 or var_13 <= var_9 :
            var_10.append ( var_11 )
    return var_10
