Iterators are lazy iterables which power all iteration in Python. Iterators are the generic form of a generator-like object.| www.pythonmorsels.com
Python's dictionaries act as lookup tables which map keys to their values.| www.pythonmorsels.com
To work with a text file in Python, you can use the built-in open function, which gives you back a file object. Reading from and writing to text files is an important skill.| www.pythonmorsels.com
Source code: Lib/csv.py The so-called CSV (Comma Separated Values) format is the most common import and export format for spreadsheets and databases. CSV format was used for many years prior to att...| Python documentation
An iterable is anything you're able to iterate over (iter-able). Iterables can be looped over and anything you can loop over is an iterable. Not every iterable is indexable or has a length.| www.pythonmorsels.com
Python's built-in next function will consume the next item from a given iterator.| www.pythonmorsels.com