<doocs>0531.Lonely Pixel I_1.py
def findLonelyPixel( picture: List[List[str]]) -> int:
    m, n = len(picture), len(picture[0])
    rows, cols = [0] * m, [0] * n
    for i in range(m):
        for j in range(n):
            if picture[i][j] == 'B':
                rows[i] += 1
                cols[j] += 1
    res = 0
    for i in range(m):
        if rows[i] == 1:
            for j in range(n):
                if picture[i][j] == 'B' and cols[j] == 1:
                    res += 1
                    break
    return res
def sample_funcname ( var_0 : List [ List [ str ] ] ) -> int :
    var_5 , var_7 = len ( var_0 ) , len ( var_0 [ 0 ] )
    var_8 , var_9 = [ 0 ] * var_5 , [ 0 ] * var_7
    for var_11 in range ( var_5 ) :
        for var_12 in range ( var_7 ) :
            if var_0 [ var_11 ] [ var_12 ] == 'B' :
                var_8 [ var_11 ] += 1
                var_9 [ var_12 ] += 1
    var_15 = 0
    for var_11 in range ( var_5 ) :
        if var_8 [ var_11 ] == 1 :
            for var_12 in range ( var_7 ) :
                if var_0 [ var_11 ] [ var_12 ] == 'B' and var_9 [ var_12 ] == 1 :
                    var_15 += 1
                    break
    return var_15
