Implement an address book;

Implement an address book;

Contacts can be used to store 1000 of people's information, and each person's information includes:

Name, gender, age, telephone, address

Complete:

1. Add Contact information

2. Delete the specified contact information

3. Find the specified contact information

4. Modify the specified contact information

5. Show all contact information

6. Clear All Contacts

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Implement an address book;