python CSV

import csv

headers = []
items = []

# newline="" 消除文件隔一行写一行，使每行见没有空行
with open("test.csv","w",encoding="tuf-8",newline="") as f:
    writer = csv.writer(f)
    writer.writerow(headers)
    writer.writerow(items)

headers为列表，存储的为表头信息，一般为字符串；

headers = ["编号","课程","讲师"]

 

items为列表，里面可以是列表，也可以是集合;

items = [
    (1,"python","Mr.s")
    (2,"C","Mr.L")
]

items = [
    [1,"python","Mr.s"]
    [2,"C","Mr.L"]
]

 writer.writerow(headers) 在文件中写表头；

 writer.writerow(items)写文件信息；