syntax for loc in python

1df.loc[df['channel'].isin(['sale','fullprice'])]

1>>> df = pd.DataFrame([[1, 2], [4, 5], [7, 8]],
2...      index=['cobra', 'viper', 'sidewinder'],
3...      columns=['max_speed', 'shield'])
4>>> df
5            max_speed  shield
6cobra               1       2
7viper               4       5
8sidewinder          7       8
9
10>>> df.loc[['viper', 'sidewinder']]
11            max_speed  shield
12viper               4       5
13sidewinder          7       8
14

112       29.6
238       29.6
376       29.6
493       29.6
5172      29.6
6         ... 
731097    29.6
836812    29.6
938278    29.6
1041460    29.6
1145698    29.6
12Name: mass, Length: 107, dtype: float64