Update 22.对象的序列化和反序列化.md#1104

Melo3000 wants to merge 1 commit intojackfrued:masterjackfrued/Python-100-Days:masterfrom

Melo3000:fix-Day22-KeyError-in-APIMelo3000/Python-100-Days:fix-Day22-KeyError-in-APICopy head branch name to clipboard