用Python保存二维数组或列表的CSV文件的最佳方法？

您好，在Python中，我正在组合一个2D数组/列表，可以这样表示：

a b 
c d

我想将其保存在CSV文件中，并使CSV文件如下所示：

a b 
c d

a、 b
c、 d

这是我使用的代码，你能告诉我我做错了什么吗

import csv

testarray = [["a", "b"], ["c", "d"]]

with open('test.csv', mode='w') as employee_file:
    employee_writer = csv.writer(employee_file, delimiter=',',  quotechar='"',
                                 quoting=csv.QUOTE_MINIMAL)
    employee_writer.writerow(testarray)

# Outputs 
# "['a', 'b']","['c', 'd']"

如何将代码更改为输出

最好：

a, b 
c, d

或

在文本文件中

---

再次感谢您的帮助

您可以使用嵌套的

for

循环以首选格式删除所有数据：

# Initialize the array
test = [['1', '2'], ['3', '4']]

# Format the array to a string
merged = ""
for group in test:
     merged += ", ".join(group) + "\n"

# Write string to file
with open("test.csv", "w") as file:
    file.write(merged)
    file.close()

---

如果

testarray

包含多行。使用

writerow

而不是

writerow

import csv

testarray = [["a", "b"], ["c", "d"]]

with open('test.csv', mode='w') as employee_file:
    employee_writer = csv.writer(employee_file, delimiter=',',  quotechar='"',
                                 quoting=csv.QUOTE_MINIMAL)
    employee_writer.writerows(testarray)

---

您需要在testarray的各个条目上循环，或者只需使用writerows

import csv

testarray = [["a", "b"], ["c", "d"]]

with open('test.csv', mode='w', newline='') as employee_file:
    employee_writer = csv.writer(employee_file)
    employee_writer.writerow(["header1", "header2"])
    employee_writer.writerows(testarray)

---

如果其中一个值包含

\n

或

，

，则此操作将无法正常工作。