Example
Sorting and Reversing Lists
Methods sort() and reverse() for ordering list elements.
Results for “reverse”
10 results
-
-
Challenge
Sort by a field
…the cargo manifest heaviest first with a key function and reverse=True.
-
Article Mini projects
Base 6 Number System in Python
…by 6 and collect the remainders. Those remainders, read in reverse order, give you the base-6 number. def decimal_to_base6(decimal_number): if decimal_number == 0: return "0" digits = [] # We'll…
-
Challenge
sort() returns None
…readings from highest to lowest, in place, with sort(reverse=True) , then print the three highest with a slice: Highest three: [455.2, 430.1, 412.5] Don't store what sort() gives back.
-
Challenge
Flight software review
…a type error, a wrong key, an index out of range and a reversed decision. Read each error to fix the four that crash, then find the one that runs but gives the wrong answer.
-
Challenge
Undo and history
…add undo, which takes the last change off the history and reverses it.
-
Quiz
Python Lists Quiz
…and modification , append, insert and pop and sorting and reversing lists . After this one, try the Python For Loop Quiz or the Python While Loop Quiz . What does this code print? What does this code…
-
Example
String Indexing and Slicing
Accessing individual characters and text fragments. Zero-based indexing in Python.
-
Challenge
Mass by category
…kg (3%) spares: 2.4 kg (2%) sorted(totals, key=totals.get, reverse=True) gives the categories ordered by their totals. sum(totals.values()) is the whole load.
-
Quiz
Python Strings Quiz
…len() Indexing and slicing, including negative indexes and reversing a string Case methods such as upper() and title() , and why a method does not change the original string Checking text with in , ==…
