add .py file to new context menu
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT\.py]
@="Python"
"Content Type"="text/x-python"
"Python"="Python"
"PerceivedType"="text"
[HKEY_CLASSES_ROOT\.py\ShellNew]
"NullFile"=""
[HKEY_CLASSES_ROOT\Python]
@="Python Script"