Description: Write a C++ program to complete the following functions: simple phone book function, use the name to search for phone numbers; the user name, the program to find and output; users can input, add your name and telephone number; the user can delete your name and telephone number; the telephone can be saved in the specified file; the telephone can be from the specified file read into memory.
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File list (Check if you may need any files):
电话本.cpp