Challenge #286: Who turned the lights off?

[tristank]

Good practicing the power of the find and replace. Think it could've been done with less tools.

Spoiler

[elena_mazareanu]

Solved

[IanHealey]

solution

[IPJR]

Done

[Computernerd]

I knew one day my solution would match the one if the example.  This wasn't it. 

[DanielvanLeuzen]

My solution

[pilsworth-bulien-com]

My Solution:

Spoiler

[McYoyo]

Third challenge completed.

Spoiler

[jay_char]

I learned new trick from this challenge. Thank you!

[Amy_smart]

Here is my solution.