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Practice
Beginner
10 min
The Magic Dot: Repeat Command
Undo, Redo, and Vim's Time Machine
Task Instructions
Learn the powerful dot (.) command to repeat your last change
Fix the first typo manually using 'x' to delete the extra letter, then navigate to similar typos and use '.' to repeat the deletion. This teaches the powerful pattern of 'do once, repeat many'.
Learning objectives
- Master the dot (.) command to repeat changes
- Understand how to efficiently fix repetitive patterns
- Build muscle memory for the repeat workflow
Required keystrokes
Your submission is checked for these keystrokes, not just the final text — so reach for the technique, not a workaround.
- \. Use the repeat command (.)
- x Delete a character
Helpful commands
- .
- Repeat last change
- x
- Delete character
- n
- Go to next search match
Stuck? Peek at a hint 1 hint · try it on your own first
- The dot command (.) repeats whatever change you just made. Fix one typo, then use '.' on similar typos.
# Fix all the typos using the dot command
# Fix the first instance manually, then use '.' to repeat
def process_user_dataa():
user_namee = get_user_name()
user_emaill = get_user_email()
user_phonee = get_user_phone()
user_addresss = get_user_address()
return {
'namee': user_namee,
'emaill': user_emaill,
'phonee': user_phonee,
'addresss': user_addresss
}
# TODO:
# 1. Fix 'dataa' to 'data' on line 3
# 2. Move to 'namee' on line 4 and use 'x' to delete the extra 'e'
# 3. Move to each other double letter and press '.' to repeat the deletion