Python .close（）似乎不起作用

我专门在CSV上调用f.close（），但当我运行代码时，它会返回错误：

PermissionError: [WinError 32] The process cannot access the file because it is being used by another process: 'Student Data.csv'

我完全不知道为什么文件没有关闭，任何帮助都将不胜感激，非常感谢

代码：

---

从代码其余部分的上下文来看，我猜您想要做的是在完成数据修剪后只重新编写CSV文件一次（

行

我想）：

---

如果我误解了您代码的意图，请提前道歉。

您正在调用

os.remove（'Student Data.csv'）

for循环中的

。它只会在第一次工作…你能告诉我们你在哪一行得到错误吗？我不知道为什么人们在这里对这类事情保密。我犯了一个愚蠢的错误，对不起，这是事实，我在循环中称它为@martineau有时它只需要另一双眼睛…；-）使用枚举非范围
from tkinter import *
import csv
import os

def deleteuser():
    def deleteanaccount(searchusername):
        f = open('Student Data.csv', 'r')
        r = csv.reader(f)
        lines = [l for l in r]
        f.close()
        usernamelist = []
        for item in lines:
            usernamelist.append(item[0])        
        x = usernamelist
        for i in range(0, len(usernamelist)):
            if searchusername == usernamelist[i]:
                print(i)
                del(lines[i])
            os.remove('Student Data.csv')
            writer = csv.writer(open('Student Data.csv', 'w', newline=''))
            writer.writerows(lines)


    def clickdelete():
        y = whichaccount.get()
        deleteanaccount(y)


    deleteuserwindow = Tk()
    deleteuserwindow.iconbitmap("hXYTZdJy.ico")
    deleteuserwindow.title("Remove a User")
    whichaccount = Entry(deleteuserwindow)
    whichaccount.grid(row = 0, column = 0, padx = 10, pady = 20)
    Button(deleteuserwindow, text = "Submit", command = clickdelete, height = 4, width = 10).grid(row = 0, column = 1)
    deleteuserwindow.mainloop()

deleteuser()

    for i in range(0, len(usernamelist)):
        if searchusername == usernamelist[i]:
            print(i)
            del(lines[i])

    # Don't do this stuff until the loop is done
    os.remove('Student Data.csv')
    writer = csv.writer(open('Student Data.csv', 'w', newline=''))
    writer.writerows(lines)