in Pandas, the statement: temp_df = inputuser[inputuser['ABC'].isin(group['ABC'])] gives an AttributeError: 'list' object has no attribute 'isin'

Question

temp_df = inputuser[inputuser[\'ABC\'].isin(group[\'ABC\'])]

type(inputuser) is \'dict\' type(inputuser[\'ABC\']) is \'list\' type(group[\'ABC\'] is \'p