python-3.8

问题 Like many others, I suffered from seeing an 'extra window' titled 'tk'. None of the answers helped, until I stumbled on the solution shown below: import tkinter as tk root = tk.Tk() root.geometry('500x500') ########### Comment out to see the 'two tk' problem root.resizable(width=False, height=False) ########### button = tk.Button(root) button["text"]= 'X' button.pack() root.mainloop() I'm running under OSX 10.15.2, with Python 3.8. Any ideas? I appreciate it might just be my system, but I am

问题 Like many others, I suffered from seeing an 'extra window' titled 'tk'. None of the answers helped, until I stumbled on the solution shown below: import tkinter as tk root = tk.Tk() root.geometry('500x500') ########### Comment out to see the 'two tk' problem root.resizable(width=False, height=False) ########### button = tk.Button(root) button["text"]= 'X' button.pack() root.mainloop() I'm running under OSX 10.15.2, with Python 3.8. Any ideas? I appreciate it might just be my system, but I am

问题 I'm having problem during the installation of opencv-python in pycharm. After opening pycharm I click on settings and then project interpreter, I click on '+' and search for the correct module, I started the installation but it fails with Could not find a version that satisfies the requirement opencv-python (from versions: ) No matching distribution found for opencv-python Additionally I tried installing it through console but I get the same error. I also have updated to the last pip version,

问题 RESOLVED: Installing Xcode on my Mac installed all missing dependencies of Matplotlib, thus I was able to successfully install Matplotlib via Terminal. I currently have Python 2.7 and Python 3.8 (downloaded the .dmg via Python.org) on my Mac OS X Catalina. I have successfully installed Numpy via Terminal, as well as Matplotlib on Python 2.7 via Terminal, but I always get two error codes when I install Matplotlib through Terminal. I've tried using different variants of inputs via terminal via

问题 RESOLVED: Installing Xcode on my Mac installed all missing dependencies of Matplotlib, thus I was able to successfully install Matplotlib via Terminal. I currently have Python 2.7 and Python 3.8 (downloaded the .dmg via Python.org) on my Mac OS X Catalina. I have successfully installed Numpy via Terminal, as well as Matplotlib on Python 2.7 via Terminal, but I always get two error codes when I install Matplotlib through Terminal. I've tried using different variants of inputs via terminal via

问题 I have written code to generate public and private keys. It works great at Python 3.7 but it fails in Python 3.8. I don't know how it fails in the latest version. Help me with some solutions. Here's the Code: from Crypto.PublicKey import RSA def generate_keys(): modulus_length = 1024 key = RSA.generate(modulus_length) pub_key = key.publickey() private_key = key.exportKey() public_key = pub_key.exportKey() return private_key, public_key a = generate_keys() print(a) Error in Python 3.8 version:

问题 Python 3.8.0 has been recently released (on 20191014 , and can be downloaded from [Python]: Python 3.8.0). PyWin32 has builds for it on [PyPI]: pywin32 225 (released on 20190915 ). Unfortunately, after pip install ing, it doesn't work. Sample: [cfati@CFATI-5510-0:e:\Work\Dev\StackOverflow\q058631512]> sopr.bat *** Set shorter prompt to better fit when pasted in StackOverflow (or other) pages *** [prompt]> "e:\Work\Dev\VEnvs\py_064_03.07.03_test0\Scripts\python.exe" Python 3.7.3 (v3.7.3

问题 Python 3.8.0 has been recently released (on 20191014 , and can be downloaded from [Python]: Python 3.8.0). PyWin32 has builds for it on [PyPI]: pywin32 225 (released on 20190915 ). Unfortunately, after pip install ing, it doesn't work. Sample: [cfati@CFATI-5510-0:e:\Work\Dev\StackOverflow\q058631512]> sopr.bat *** Set shorter prompt to better fit when pasted in StackOverflow (or other) pages *** [prompt]> "e:\Work\Dev\VEnvs\py_064_03.07.03_test0\Scripts\python.exe" Python 3.7.3 (v3.7.3

问题 I am trying to setup evalai-cli using pip, but i am facing problems during setup when i try to run pip install evalai Could not find function xmlCheckVersion in library libxml2. Is libxml2 installed? ERROR: Command errored out with exit status 1: command: 'c:\users\amana\evalai-cli\venv\scripts\python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\amana\AppData\Local\Temp\pip-install-iwb_ci9r\lxml\setup.py'"'"'; file ='"'"'C:\Users\amana\AppData\Local\Temp\pip

问题 I want to run a script within a script in IDLE. How do I run them? I have Python 3.8 on Windows 10. I also use Tkinter. Thanks, bye! 回答1: You basically import the class/function from the other script. For example: from other_script import a_class Now, make sure you open your IDLE in the same directory of the other script so you can import it. 回答2: Another python script can be executed by using runpy module. Let's say we have two scripts as: abc.py print('Executing abc.py') main.py import