``` mydict={"abcdefg":10, "123456":2,"xyzhjk":3,"123456":10} print(type(mydict))#dict是set的强化版 左边是key,不允许重复，右边value重复 print(mydict) print(mydict["abcdefg"]) #根据key取出value print(mydict.values()) #值， for key in mydict: #循环字典 print(key,mydict[key]) ```