or operator in conditions of dataframe code example

Example 1: select rows with multiple conditions pandas query

df.loc[(df['Salary_in_1000']>=100) & (df['Age']< 60) & (df['FT_Team'].str.startswith('S')),['Name','FT_Team']]

Example 2: or condition in pandas

df2 = df[(df.a != -1) | (df.b != -1)]