def get_not_num(self, seq, num=<NUM_LIT:0>):
ind = next((i for i, x in enumerate(seq) if x != num), None)<EOL>if ind == None:<EOL><INDENT>return self.board_size<EOL><DEDENT>else:<EOL><INDENT>return ind<EOL><DEDENT>
Find the index of first non num element