示例數(shù)據(jù)
dict = {‘A’:‘a(chǎn)’,‘B’:‘b’,‘C’:‘c’}
取值
>>>print(dict['A'])#取出dict字典中鍵A對(duì)應(yīng)的值a
a
修改某一數(shù)值
>>>dict['A'] = ‘A’
>>>dict['D'] = ‘d’ #如果沒有則會(huì)創(chuàng)建
>>>print(dict['A']筋现,dict)
A??{‘A’:‘a(chǎn)’,‘B’:‘b’,‘C’:‘c’路鹰,‘D’:‘d’}?
刪除
>>>dict.pop('D')
>>>print(dict)
{‘A’:‘a(chǎn)’,‘B’:‘b’收厨,‘C’:‘c’}?
判斷值是否在字典中
>>>print('D'? in? dict)#True? or? False
False