<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def _dict_to_report_line(cls, report_dict):
        '''Takes a report_dict as input and returns a report line'''
        return '\t'.join([str(report_dict[x]) for x in report.columns])