Read Python Like a Pro / Errors and help
Lesson 9 of 10
Reading the docs
docs.python.org explains every built-in function with examples. In the terminal, help(thing) shows the same information. Learning to look things up is a superpower.
Key points
- help(str.split) in the Python shell
- docs.python.org has a tutorial and library reference
- Look for the Examples section first
>>> help(len)
Help on built-in function len in module builtins:
len(obj, /)
Return the number of items in a container.Your turn
Open the Python shell (python3) and run help(str.replace). Use what you read to replace every 'a' in 'banana' with 'o'.
Quiz · +10 XP
What does help(len) show?
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