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Newer version of python cannot find module pygame

I was finally able to get python 3.9.0 installed(was using 3.4.2) on my raspberry pi, however I cannot use pygame now stating "ModuleNotFoundError: no module named 'pygame'. I know where pygame is located, but I have no idea how to get python 3.9.0 to see where it is to read it.

You have to re-install all of your packages when you upgrade to a new major version of Python. You'll need to pip3 install xxxx again.

tkinter in Pycharm (python version 3.8.6)

I'm using Pycharm on Windows 10.
Python version: 3.8.6
I've checked using the CMD if I have tkinter install python -m tkinter. It says I have version 8.6
Tried:
import tkinter.
I get "No module named 'tkinter' "
from tkinter import *.
I get "Unresolved reference 'tkinter'"
Installed future package but that didn't seem to change the errors.
Any suggestions on how to fix this issue?
Thank you!

You just verify in the project settings, sometimes Pycharm doesn't use the same interpreter.

You can try "pip install tkinter" in cmd

No module named 'win32api'

In Python 3.4 from Anaconda, I created a program and it is giving me and import error each time I run it.
Using Spyder.
ImportError: No module named 'win32api'
I already have the pywin32 installed. And I can see the win32api.pyd under C:\Anaconda3\Lib\site-packages\win32
This is the import code on my program:
from tkinter import *
from tkinter import ttk
import tkinter.messagebox
import time
import requests #needs to be installed
import pymysql #needs to be installed
import csv
import win32com.client #needs to be installed
import datetime
This is the whole error:
File "C:\Anaconda3\lib\site-packages\win32com\__init__.py", line 5, in <module>
import win32api, sys, os
ImportError: No module named 'win32api'
This is the only instance of Python I have installed. I uninstalled everything else and installed only Anaconda.
Searching online I got to something that said that it could be a problem with the PYTHONPATH. But honestly, I have no idea what they are talking about.
So any noob help would be really appreciated.
I am using Windows 7 by the way.
Thank you

The installation for pywin32 must have failed, or it is not for same OS bit architecture (say anaconda 64 bit and pywin32 32 bit). I recommend
you uninstall pywin32,
check what bit version of anaconda you are using, then
install pywin32 for same version,
verify that the installer indicates 100% success and there are no errors flagged in the installer's log window (it's rare but something may fail and the installer doesn't know).
Then open a python console and type "import win32com".
If #5 fails to import win32com, then:
try installing a different version of python, for example from python.org
repeat steps 2 to 5 above but for new python instead of anaconda
Could be that anaconda distributors did something to the python interpreter (although I didn't think so), or that some libs aren't registered right (see answer https://stackoverflow.com/a/17061853/869951 for some more things to try).

This should work:
pip install pypiwin32

I had the same problem and solved it installing the module pywin32:
In a normal python:
pip install pywin32
In anaconda:
conda install pywin32
My python installation (Intel® Distribution for Python) had some kind of dependency problem and was giving this error. After installing this module I never more saw it.

As mentioned by outforawhile in comment, simply restarting the laptop fixed this for me.
It may be that this is required for Windows to register the DLL.

try this before install pywin32
pip install pywinutils

Pylab after upgrading

Today I upgraded to Xubuntu 13.04 which comes with Python 3.3. Before that, I was working with Pyton 3.2, which was working perfectly fine.
When running my script under Python 3.3, I get an
ImportError: No module named 'pylab'
in import pylab.
Running in Python 3.2, which I reinstalled, throws
ImportError: cannot import name multiarray
in import numpy.
Scipy, numpy and matplotlib are, recording to apt, on the newest version.
I don't have much knowledge about this stuff. Do you have any recommendations on how to get my script to work again, preferably on Python 3.2?
Thanks in advance,
Katrin
Edit:
We solved the problem: Apparently, there where a lot of fragments / pieces of the packages in different paths, as I installed from apt, pip as well as manually. After deleting all packages and installing them only via pip, everything works fine. Thank you very much for the help!

I suspect you need to install python3-matplotlib, python3-numpy, etc. python-matlab is the python2 version.

You need to install all python libraries you installed for Python 3.2 also for 3.3.

Linking Tcl/Tk to Python 2.5

I have an existing Python 2.4 and it is working properly with tkinter as I tested it using
python
import _tkinter
import Tkinter
Tkinter._test()
Now, I have installed python 2.5.2 but when I try the same tests (with the newer version), it returns (but the same tests are working for the previous version)
ImportError: No module named _tkinter
I know that tcl8.5 and tk8.5 are installed on my machine as the following commands return there locations
whereis tcl
tcl: /usr/lib/tcl8.4 /usr/local/lib/tcl8.5 /usr/local/lib/tcl8.4 /usr/share/tcl8.4
whereis tk
tk: /usr/lib/tk8.4 /usr/local/lib/tk8.5 /usr/share/tk8.4
Any ideas how do I make my newer python version work with tkinter?

The files you found are for linking directly to tcl/tk. Python depends on another library as well: _tkinter.so. It should be in /usr/lib/python2.5/lib-dynload/_tkinter.so.
How did you install python2.5? If you are using Debian or Ubuntu you need to install the python-tk package to get Tkinter support.
If the _tkinter.so file is there, your environment could be causing problems.
If
python -E -c "import
Tkinter;Tkinter._test()"
suceeds, but
python -c "import
Tkinter;Tkinter._test()"
fails, then the problem is with how your environment is set up. Check the value of PYTHONPATH is set correctly.