# -*- coding: utf8 -*-import csvl = [["1", "Wonderful Spam"],["2", "Lovely Spam"]]#模擬資料寫入一個csvwith open("eggs.csv", "w", newline="") as csvfile: spamwriter = csv.writer(csvfile, delimiter=",", quotechar=""", quoting=csv.QUOTE_MINIMAL) for row in l: spamwriter.writerow(row)#從檔案讀取l=[]with open("eggs.csv", newline="") as csvfile: spamreader = csv.reader(csvfile, delimiter=",", quotechar=""") for row in spamreader: l = l + [row]#把兩列拼接增加為第三列寫回到檔案with open("eggs.csv", "w", newline="") as csvfile: spamwriter = csv.writer(csvfile, delimiter=",", quotechar=""", quoting=csv.QUOTE_MINIMAL) for row in l: print(row) spamwriter.writerow(row + [row[0]+row[1]])
# -*- coding: utf8 -*-import csvl = [["1", "Wonderful Spam"],["2", "Lovely Spam"]]#模擬資料寫入一個csvwith open("eggs.csv", "w", newline="") as csvfile: spamwriter = csv.writer(csvfile, delimiter=",", quotechar=""", quoting=csv.QUOTE_MINIMAL) for row in l: spamwriter.writerow(row)#從檔案讀取l=[]with open("eggs.csv", newline="") as csvfile: spamreader = csv.reader(csvfile, delimiter=",", quotechar=""") for row in spamreader: l = l + [row]#把兩列拼接增加為第三列寫回到檔案with open("eggs.csv", "w", newline="") as csvfile: spamwriter = csv.writer(csvfile, delimiter=",", quotechar=""", quoting=csv.QUOTE_MINIMAL) for row in l: print(row) spamwriter.writerow(row + [row[0]+row[1]])