How i can change dictionary when it iterated in python?

Answer 1

What do you want to change in the dictionary? Key or value?

Answer 2

When looping over a dictionary directly, you'd go like this:

for key in d:
d[key]... and then whatever you want to do.

You can't do anything that changes the size of your dict while you're looping over it.

What exactly do you want to do?

Answer 3

For example (very simple code:)):
a = {'a': 1, 'b': 2}
for k, v in a.items():
del a[k]