While loops
A naive solution
While loops
Boolean expressions
Loop implementation of a sum
Lists
Basic list operations
For loops
Alternative implementations with lists and loops
While loop implementation of a for loop
The range construction
For loops with list indices
Changing list elements
List comprehension
Traversing multiple lists simultaneously
Nested lists
A table as a list of rows or columns
Printing objects
Extracting sublists
Traversing nested lists
Tuples
Summary
Chapter topics
Example: Analyzing list data
How to find more Python information
Exercises
Exercise 1: Make a Fahrenheit-Celsius conversion table
Exercise 2: Generate an approximate Fahrenheit-Celsius conversion table
Exercise 3: Work with a list
Exercise 4: Generate odd numbers
Exercise 5: Compute the sum of the first \( n \) integers
Exercise 6: Compute energy levels in an atom
Exercise 7: Generate equally spaced coordinates
Exercise 8: Make a table of values from a formula
Exercise 9: Store values from a formula in lists
Exercise 10: Simulate operations on lists by hand
Exercise 11: Compute a mathematical sum
Exercise 12: Replace a while loop by a for loop
Exercise 13: Simulate a program by hand
Exercise 14: Explore Python documentation
Exercise 15: Index a nested list
Exercise 16: Store data in lists
Exercise 17: Store data in a nested list
Exercise 18: Values of boolean expressions
Exercise 19: Explore round-off errors from a large number of inverse operations
Exercise 20: Explore what zero can be on a computer
Exercise 21: Compare two real numbers with a tolerance
Exercise 22: Interpret a code
Exercise 23: Explore problems with inaccurate indentation
Exercise 24: Explore punctuation in Python programs
Exercise 25: Investigate a for loop over a changing list
References
This document explains how repetitive tasks in a program can be automated
by loops. We also introduce list objects for storing and processing
collections of data with a specific order.
Loops and lists, together with functions and if
tests, constitute the very fundamentals of computer programming.
The programs associated with the document are found in the folder
src/looplist.