核验通-通话城市信息

通话城市信息查询器是一种用于查询指定手机号码在特定月份内通话过的城市信息的数据处理函数。通过输入手机号码和月份，该资源可以分析通话记录数据，提取出通话过的城市信息，并将其作为输出参数返回。

The Calling City Information Query Function is a data processing function designed to query city information related to calls made by a specified mobile phone number within a designated month. By inputting the mobile phone number and the target month, this function analyzes call record data, extracts the city information of the locations where calls were placed, and returns the extracted information as an output parameter.

搜集汇总

背景与挑战

背景概述

该数据集提供手机号码在指定月份的通话城市查询功能，通过输入手机号和月份参数，可返回对应的通话记录城市信息。