I installed Python and jupyter via pip, but when I run jupyter notebook I keep getting the following error.
Requirement already satisfied: pyparsing>=2.0.2 in c:\users\mitzi\appdata\roaming\python\python39\site-packages (from packaging->bleach->nbconvert->jupyter) (2.4.7) Requirement already satisfied: qtpy in c:\users\mitzi\appdata\roaming\python\python39\site-packages (from qtconsole->jupyter) (1.9.0) C:\WINDOWS\system32>jupyter notebook 'jupyter' is not recognized as an internal or external command, operable program or batch file. C:\WINDOWS\system32> -- https://mail.python.org/mailman/listinfo/python-list
