Pandas Boolean index-select row data through multiple conditional Boolean operations

demand

Select the row data in the DataFrame through the & | operation of multiple conditions

method

source data:

	StuID	Type	on one
0	111021	Math	89
1	111021	English	93
2	312983	English	91
3	314621	English	82
4	314621	Math	92
5	112341	Math	82

Filter conditions:

1. StuID = 111021
2. Num > 90
3. Show only the Num column
   Method:

df.loc[(df['StuID']==111021)&(df['Num']>90),['Num']]

result