zip函数-Python 3

Posted 2020-08-25

zip函数接受任意多个（包括0个和1个）序列作为参数，返回一个tuple列表。

zip函数在获取数据后，生成字典（dict）时比较好用。

 

for examples：

 1 # Code based on Python 3.x
 2 # _*_ coding: utf-8 _*_
 3 # __Author: "LEMON"
 4 
 5 pList = [(‘li‘, ‘LY‘, 80), (‘zeng‘, ‘ZW‘, 90), (‘dudu‘, ‘LR‘, 98)]
 6 names = []
 7 scores = []
 8 for i in range(len(pList)):
 9     aStr = pList[i][0]
10     bStr = pList[i][2]
11     names.append(aStr)
12     scores.append(bStr)
13 
14 
15 aDict = dict(zip(names, scores))
16 print(aDict)

运行结果：

1 {‘dudu‘: 98, ‘zeng‘: 90, ‘li‘: 80}

 

当然，上述案例有更简单的实现方法：

 1 # Code based on Python 3.x
 2 # _*_ coding: utf-8 _*_
 3 # __Author: "LEMON"
 4 
 5 pList = [(‘li‘, ‘LY‘, 80), (‘zeng‘, ‘ZW‘, 90), (‘dudu‘, ‘LR‘, 98)]
 6 aDict = {}
 7 for data in pList:
 8     aDict[data[0]] = data[2]
 9     # dict[Key]=value
10 print(aDict)