Python loop help

Question

I tried to make a string multiply in a loop like this:
.
..
...
....

i=10
I=[i]
while True:
i*=10
if i>100000
break
L=(len(I))
dot=(L*".")
print (dot)

This obviously didnt work as i tought.. where is my mistake in this?
Im sure there is a easy way to fix this problem..
Thanks