get lonly row in df we have list of the column value code example
Example 1: panda select rows where column value inferior to
df.loc[df['column_name'] == some_value]
Example 2: return rows based on column
df.loc[df['column_name'] != some_value]
df.loc[df['column_name'] == some_value]
df.loc[df['column_name'] != some_value]