The default Spyder global shortcuts are the following:
Maximizing current plugin / restoring original window layout:
Ctrl+Shift+Alt+M
Go to Editor:
Ctrl+Shift+E
Go to Interactive Console:
Ctrl+Shift+C
Go to Workspace:
Ctrl+Shift+W
Go to History log:
Ctrl+Shift+H
Go to Documentation viewer:
Ctrl+Shift+D
Go to External Console:
Ctrl+Shift+X