Python寫入列表到CSV

Question

我對CSV語句的寫入無法正常工作；

我有一個包含字符串的列表，每個字符串都需要在csv中寫入自己的行；

mylist = ['this is the first line','this is the second line'........]
with open("output.csv", "wb") as f:
    writer = csv.writer(f)
    writer.writerows(mylist)

問題是，我的輸出被弄亂了，看起來像這樣；

't,h,i,s, i,s, t,h,e, f,i,r,s,t, l,i,n,e,'.... etc.

我需要成為;

'this is the first line'
'this is the second line'

Answer 1

csvwriter.writerows應該與序列的序列（或可迭代的）一起使用。 （ mylist也是一個序列序列，因為字符串可以看作是一個單字符字符串序列）

對每個mylist項目使用csvwriter.writerow ：

mylist = ['this is the first line','this is the second line'........]
with open("output.csv", "wb") as f:
    writer = csv.writer(f)
    for row in mylist:
        writer.writerow([row])

要使用writerows ，將列表轉換為序列序列：

mylist = ['this is the first line','this is the second line'........]
with open("output.csv", "wb") as f:
    writer = csv.writer(f)
    rows = [[row] for row in mylist]
    writer.writerows(rows)

Answer 2

您必須迭代列表項，例如

  mylist = ['this is the first line','this is the second line']
  with open("output.csv", "wb") as f:
      writer = csv.writer(f)
      for item in mylist:
          writer.writerow([item])