Iterating each character in a string using Python
As Johannes pointed out,
for c in "string": #do something with c
You can iterate pretty much anything in python using the
for loop construct,
open("file.txt") returns a file object (and opens the file), iterating over it iterates over lines in that file
with open(filename) as f: for line in f: # do something with line
If that seems like magic, well it kinda is, but the idea behind it is really simple.
There's a simple iterator protocol that can be applied to any kind of object to make the
for loop work on it.
Simply implement an iterator that defines a
next() method, and implement an
__iter__ method on a class to make it iterable. (the
__iter__ of course, should return an iterator object, that is, an object that defines