Python：比较CSV文件并将差异保存在第一行（列名）

Question

我有两个CSV文件，如下所示：

文件1 ：June_01_2018.csv

文件2 ：June_02_2018.csv

注意：我想找到这两个文件之间的区别，并将其存储到第三个文件并带有列标题。

我的尝试：

with open('June_01_2018.csv', 'r') as f1:
    file1 = f1.readlines()

with open('June_02_2018.csv', 'r') as f2:
    file2 = f2.readlines()

with open('June_Updates.csv', 'w') as outFile:
    for line in file2:
        if line not in file1:
            outFile.write(line)

但无法将列标题存储到第三个文件中。

Answer 1

试试这个：

    with open('June_01_2018.csv', 'r') as f1:
        file1 = f1.readlines()

    with open('June_02_2018.csv', 'r') as f2:
        file2 = f2.readlines()

    with open('June_Updates.csv', 'w') as outFile:
        outFile.write(file1[0])
        for line in file2:
            if line not in file1:
                outFile.write(line)