#Python 2, (削除) 61 (削除ここまで) 56 bytes lambda a,b:len([n for n in range(a,b+1) if not"5"inn]) -5 bytes thanks to tukkaaX

Python 2, (削除) 61 (削除ここまで) 56 bytes

lambda a,b:len([n for n in range(a,b+1) if not"5"in`n`])

-5 bytes thanks to tukkaaX

#Python, 56 bytes lambda a,b:len([n for n in range(a,b+1) if not"5"inn]) -5 bytes thanks to tukkaaX

#Python 2,(削除) 61 (削除ここまで) 56 bytes lambda a,b:len([n for n in range(a,b+1) if not"5"inn]) -5 bytes thanks to tukkaaX

#Python, 61 bytes lambda s,e:len([x for x in range(s,e+1)if not "5" in str(x)]) Probably the worst python golf in the history of the site, but I dont care.

#Python, 56 bytes lambda a,b:len([n for n in range(a,b+1) if not"5"inn]) -5 bytes thanks to tukkaaX