Zero.
None 'cause it's already lit, fam.
Two. One to identify that the lightbulb has indeed burned out, and one to call the maintenence man to change the lightbulb.
A reptile dysfunction
One... but, what does it matter if she will ask a man to do it!
I've learned to add up the zeros but the numbers are still giving me trouble.
Absolute zero, because it's impossible to reach
