Jupyter

My Top 5 Most Used on Mac:

1. Shift + Enter - Run and advance
2. B - Insert cell below
3. D, D - Delete cell
4. M - Convert to Markdown
5. Tab - Autocomplete

Cell Execution (Most Important)

• Shift + Enter - Run current cell and move to next
• Cmd + Enter - Run current cell and stay on it
• Option + Enter - Run current cell and insert new cell below

Command Mode Shortcuts (press Esc first)

• A - Insert cell above
• B - Insert cell below
• D, D (press D twice) - Delete selected cell
• Z - Undo cell deletion
• M - Change cell to Markdown
• Y - Change cell to Code
• C - Copy cell
• V - Paste cell below
• X - Cut cell
• Shift + M - Merge selected cells

Navigation

• Up/Down arrows - Navigate between cells (in Command mode)
• Shift + Up/Down - Select multiple cells
• Cmd + S - Save notebook

Edit Mode Shortcuts

• Tab - Code completion / indent
• Shift + Tab - Show function documentation (press 1-4 times for more detail)
• Cmd + / - Comment/uncomment line
• Cmd + ] - Indent
• Cmd + [ - Dedent
• Cmd + D - Delete line
• Option + Up/Down - Move line up/down

Quick Reference

• H (in Command mode) - Show all keyboard shortcuts