王淑烨,手机号值多少钱,郑天翔简历
1、读取 csv 文件中的数据
import csv # data_info.csv 是文件名称 with open("data_info.csv","r") as f: data = csv.reader(f) for d in data: if d[0] == "username": # 过滤第一行 title continue print(d) # 结果如下 ['admin', '123456'] ['guest', '234567']
2、写入 csv 文件数据
# 使用 writerow() 逐行写入 import csv with open("data_info.csv","w",newline="") as f: mywrite = csv.writer(f) mywrite.writerow(["username","password"]) mywrite.writerow(["admin","123456"]) mywrite.writerow(["guest","234567"])
# 使用 writerows() 批量写入 import csv with open("data_info.csv","w",newline="") as f: mywrite = csv.writer(f) # 每行数据放在一个数组中 data_list = [["username","password"],["admin","123456"],["guest","234567"]] mywrite.writerows(data_list)
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