#定義一個字典 dic = {'name':'wusan','pwd':27,'sex':'女'} #循環打印出默認的字典元素,實際為key值 for item in dic: print(item) #循環打印出字典中的key值 for item in dic.keys(): print(item) #循環打印出字典中的value值 for item in dic.values(): print(item) #循環打印出字典中的鍵值對 for item in dic.items(): print(item) #循環分別打印出字典中的key值和value值 for k,v in dic.items(): print(k) print(v)