VI shortcuts

sudo vi file_name.py

• $ vi — Open or edit a file.
• i — Switch to Insert mode.
• Esc — Switch to Command mode.
• :w — Save and continue editing.
• :wq or ZZ — Save and quit/exit vi.
• :q! — Quit vi and do not save changes.
• yy — Yank (copy) a line of text.
• p — Paste a line of yanked text below the current line.
• o — Open a new line under the current line.
• O — Open a new line above the current line.
• A — Append to the end of the line.
• a — Append after the cursor’s current position.
• I — Insert text at the beginning of the current line.
• b — Go to the beginning of the word.
• e — Go to the end of the word.
• x — Delete a single character.
• dd — Delete an entire line.
• Xdd — Delete X number of lines.
• Xyy — Yank X number of lines.
• G — Go to the last line in a file.
• XG — Go to line X in a file.
• gg — Go to the first line in a file.
• :num — Display the current line’s line number.
• h — Move left one character.
• j — Move down one line.
• k — Move up one line.
• l — Move right one character.