我试图比较两个csv文件,如下所示
English.csv
i
am
is
was
were
Dictionary.csv
i,insomnia
d,disease
bc,breast cancer
我试图比较两个文件中的第一列并打印与Dictionary.csv不同的行,如下所示
final.csv
d,disease
bc,breast cancer
我试过这个密码。
import csv
with open('English.csv', 'rb') as csvfile1:
with open ("Dictionary.csv", "rb") as csvfile2:
reader1 = csv.reader(csvfile1)
reader2 = csv.reader(csvfile2)
rows1 = [row for row in reader1]
rows2 = [row for row in reader2]
col_a = [row1[0] for row1 in rows1]
col_b = [row2[0] for row2 in rows2]
col_c = [row2[1] for row2 in rows2]
only_b = [text for text in col_b if not text in col_a]
我可以从第一列中获取不同的数据,但不能从下面这样的第二列中获取数据。如何从第二列获取相应的数据?
>>>only_b
['d','bc']
我不知道这有多有效,但我想做的是:
输出:
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