元組
不能修改,只能合并,用小括號(hào)()表示
corse1=(1,2,5) corse2=(5,8,0)
corse3=corse1+corse2
print(corse3)
輸出:corse3=(1,2,5,5,8,0)
字典
功能強(qiáng)大,可以增刪改查,用大括號(hào){}表示。
格式:d={key1:value1,key2:value2,key3:value3}
特點(diǎn):鍵是唯一的,值可以重復(fù),鍵不可以改變,值可以是任意數(shù)據(jù)類型。
例子,字典dics={"小張":1234,"小黃":4562,"熊":2582,"小紅":[0,1,2]}
①訪問字典:
dics={"小張":1234,"小黃":4562,"熊":2582,"小紅":[0,1,5]}
value1=dics["小紅"]
print(value1[2])
輸出5
②增:
dics={"小張":1234,"小黃":4562,"熊":2582,"小紅":[0,1,5]}
dics["小米"]=520520
print(dics)
輸出:dics={"小張":1234,"小黃":4562,"熊":2582,"小紅":[0,1,5],"小米":520520}
③改:
dics={"小張":1234,"小黃":4562,"熊":2582,"小紅":[0,1,5]}
dics["小張"]=156
print(dics)
輸出:dics={"小張":156,"小黃":4562,"熊":2582,"小紅":[0,1,5]}
④刪:
刪除某個(gè)鍵:
dics={"小張":1234,"小黃":4562,"熊":2582,"小紅":[0,1,5]}
del dics["小張"]
print(dics)
輸出dics={"小黃":4562,"熊":2582,"小紅":[0,1,5]}
清除全部:dics.clear()
print(dics) 時(shí),為空{(diào)}。