How can i remove any string contains of '?' , '?.' , '? ' and '? ' from my dataset in one code line instead of couple of lines as below:
data = data[(data != '?').all(axis=1)] data = data[(data != '?.').all(axis=1)] data = data[(data != '? ').all(axis=1)] data = data[(data != '? ').all(axis=1)]
