将文本文件组合成键/值

我在Excel中使用macros来创build一个键/值对，如下所示：

Sub GetKeyValue() Dim FileName As String, i As Integer, str As String FileName = "C:\keyvalue.txt" Open FileName For Output As #1 For i = 1 To 50 str = Cells(i, 1) & ", " & Cells(i, 2) Print #1, str Next i Close #1 End Sub 

以上是A1-A50和B1-B50中的值，并将其作为创build文件的基础。

我怎么能在Python中做类似的事情？

我的想法是有两个文本文件，一个用于键和一个值，合并两个，然后将其存储在一个字典对象。

Answer 1

您可以使用csv模块，假设值和密钥来自同一文件的单元格A和B。

 import csv with open("file.csv", "r") as f: reader = csv.reader(f) d = {line[0]:line[1] for line in reader} 

如果键和值来自不同的文件，则可以将这些对存储在字典中，如下所示：

 with open("keys.csv", "r") as the_keys, open("values.csv", "r") as the_values: keys = csv.reader(the_keys) values = csv.reader(the_values) my_dic = {line1[0]:line2[0] for line1,line2 in zip(keys,values)} # Write to a new csv file. with open("final.csv", "wb") as out: writer = csv.writer(out, delimiter=',') for k,v in my_dic.iteritems(): writer.writerow([k,v]) 

您可以跳过csv模块，只需将文件写为：

 with open("keys.txt", "r") as f, open("values.txt", "r") as x: h = {line1.strip():line2.strip() for line1,line2 in zip(f,x)} with open("final.csv", "w") as out: for k,v in h.iteritems(): out.write("{},{}\n".format(k,v))