Question

我对CSV语句的写法无法正常工作;

我有一个列表，每个字符串都需要在csv中写入自己的行;

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)

问题是，我的输出搞砸了，看起来像这样;

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

我需要;

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

Answer 1

csvwriter.writerows应与序列的序列（或可迭代）一起使用。（mylist也是一系列序列，因为字符串可以看作是一系列单字符串）

对每个mylist项目使用csvwriter.writerow代替：

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，请将列表转换为序列序列：

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

你必须迭代像

这样的列表项

  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])

Python将列表写入CSV

2 个答案: