Traceback (most recent call last): File "d:\桌面\python项目\DesktopWords-master\main.py", line 4, in <module> from PyQt5.QtMultimedia import QMediaPlayer, QMediaContent ModuleNotFoundError: No module named 'PyQt5.QtMultimedia' 问题原因 这个错误表明你的Python环境中缺少了PyQt5模块的QtMultimedi...
# 导入xlwings模块import xlwings as xw# 打开Excel程序,默认设置:程序可见,只打开不新建工作薄,屏幕更新关闭app=xw.App(visible=True,add_book=False) app.display_alerts=False app.screen_updating=False# 文件位置:filepath,打开test文档,然后保存,关闭,结束程序filepath=r'g:\Python Scripts\test.xlsx' wb=a...
crypt.py- File encryption using AES in CBC mode curl.py- Transfer from an URL cut.py- Cut out selection portions of each line of a file dropbox_setup.py- Configure dropbox accounts for other commands du.py- Summarize disk usage of the set of FILEs, recursively for directories ...
Return an empty string at EOF."""passdefreadlines(self, size=None):#real signature unknown; restored from __doc__读取所有数据,并根据换行保存值列表"""readlines([size]) -> list of strings, each a line from the file. Call readline() repeatedly and return a list of the lines so read. ...
Traceback (most recent call last): File "<stdin>", line 1, in <module> ModuleNotFoundError: No module named 'cPickle' 【PS:上述是书中讲述导入的方法,因为笔者的Python版本是3.12.7,厉害吗?笔者都用上Python 3啦,哈哈哈,回到正题哈,cPickle是Python 2里面的一个用C语言写的更快速版本的pickle...
File "<stdin>", line 1, in ? ZeroDivisionError: division by zero >>> 4 + spam*3 # spam 未定义,触发异常 Traceback (most recent call last): File "<stdin>", line 1, in ? NameError: name 'spam' is not defined >>> '2' + 2 # int 不能与 str 相加,触发异常 ...
FileNotFoundError:创建新文件时出错C:\Users\kemburaj.kemburaj-PC\Documents\backup\a\Appointment ...
read() Traceback (most recent call last): File "<stdin>", line 1, in <module> IOError: File not open for reading #a模式也不支持read(),readline(),readlines() >>> file = open('test.txt','a') >>> print file.readline() Traceback (most recent call last): File "<stdin>", ...
# Filename : helloworld.py print'Hello World' (源文件:code/helloworld.py) 为了运行这个程序,请打开shell(Linux终端或者DOS提示符),然后键入命令python helloworld.py。如果你使用IDLE,请使用菜单Edit->Run Script或者使用键盘快捷方式Ctrl-F5。 输出如下所示。
six=Card(1,6)print(six)6ofDiamonds 我们可以确认queen和six不是等价的。 queen==sixFalse 如果我们使用!=运算符,Python 会调用一个叫做__ne__的特殊方法(如果存在)。如果没有,它会调用__eq__并反转结果——也就是说,如果__eq__返回True,那么!=运算符的结果就是False。