onetick.py.Operation.__and__# Operation.__and__(other)[source]# Return logical and in filter operation. Examples >>> t = otp.Ticks(A=[1, 1], B=[1, 2]) >>> t, _ = t[(t['A'] == 1) & (t['B'] == 1)] >>> otp.run(t)[['A', 'B']] A B 0 1 1