Python 学习3 读写excel数据

import csv
with open(‘D:/mystuff/11.csv‘,‘r‘) as f:
    reader = csv.reader(f)
    for row in reader:
        print(row)
        

import csv
with open(‘D:/mystuff/33.csv‘, mode=‘w‘) as csvfile:
    #w1=csv.writer(csvfile,delimiter=‘ ‘,quotechar="|",quoting=csv.QUOTE_MINIMAL)
    w1=csv.writer(csvfile,dialect=‘excel‘)
    w1.writerow([‘1‘,‘2‘,‘3‘,‘4‘])
    w1.writerow([‘11‘,‘22‘,‘33‘,‘44‘])
    w1.writerow(["chenfenping","","",""])
    w1.writerow(["cx"])