ValueError：对关闭的文件进行I / O操作

正确缩进；您的

for

with

import csvwith open('v.csv', 'w') as csvfile:    cwriter = csv.writer(csvfile, delimiter=' ', quotechar='|', quoting=csv.QUOTE_MINIMAL)    for w, c in p.items():        cwriter.writerow(w + c)

在

with

>>> with open('/tmp/1', 'w') as f:...     print(f.closed)... False>>> print(f.closed)True