Shortcut Keys in Google Colab Notebooks.

Actions Colab
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show keyboard shortcuts Ctrl/Cmd M H
Insert code cell above Ctrl/Cmd M A
Insert code cell below Ctrl/Cmd M B
Delete cell/selection Ctrl/Cmd M D
Interrupt execution Ctrl/Cmd M I
Convert to code cell Ctrl/Cmd M Y
Convert to text cell Ctrl/Cmd M M
Split at cursor Ctrl/Cmd M -