Iterate an iterator by chunks (of n) in Python?
Can you think of a nice way (maybe with itertools) to split an iterator into chunks of given size?
iterator
Circular list iterator in Python
I need to iterate over a circular list, possibly many times, each time starting with the last visited item.
zip variable empty after first use
Python 3.2
How to print a generator expression?
In the Python shell, if I enter a list comprehension such as:
Getting number of elements in an iterator in Python
Is there an efficient way to know how many elements are in an iterator in Python, in general, without iterating through each and counting?
Cleanest way to get last item from Python iterator
What’s the best way of getting the last item from an iterator in Python 2.6? For example, say
How to read file N lines at a time?
I need to read a big file by reading at most N lines at a time, until EOF. What is the most effective way of doing it in Python? Something like:
Why does defining __getitem__ on a class make it iterable in python?
Why does defining __getitem__ on a class make it iterable?
What’s the shortest way to count the number of items in a generator/iterator?
If I want the number of items in an iterable without caring about the elements themselves, what would be the pythonic way to get that? Right now, I would define
Update row values where certain condition is met in pandas
Say I have the following dataframe: