Lessons
Imports, math & random
Load modules three ways, compare floats safely and roll seeded dice.
11 min
Dates and times
Do calendar math with date, datetime and timedelta.
10 min
collections: smarter containers
Count with Counter, group with defaultdict, queue with deque.
11 min
itertools: loop power tools
Combinations, products, running totals and endless cycles.
9 min
JSON data
Convert between Python objects and the web's favourite data format.
9 min
Regular expressions & text tools
Find, extract and clean text with re, string and textwrap.
12 min
Next module
Algorithms & Problem Solving