Precision in the description of the steps is important in algorithm definitions. This youtube video comically illustrates the importance of precision in definition of steps for making a product. Making a Peanut Butter & Jelly Sandwich

Try the online introductory course in MathPlanet Python  for simple repetition repetition (Programming, Logic and choice) – Mathplanet

• define variables in this online introductory Python course To remember (Programming) – Mathplanet

• boolean logic Logic and choice (Programming) – Mathplanet

Programming Basics: Statements and Functions https://www.pbslearningmedia.org/resource/programming-basics-crash-course-cs/programming-basics-crash-course-cs/ 

Example: factorial helper function in structured pseudocode Coded in Python3/Trinket

function factorial(n)

    // Input: n is an integer > 0

    prod1

    for i = 1 to n do

          prod  prod  i

    end do

    report prod

end function 

Coded in Python3/Trinket  video tutorial you can follow along and try it  https://youtu.be/k-DkzFj0bsE 

Online Python coding mini-challenges https://codingbat.com/python 

Previous: Index of Chapters

Next Chapter 2: Modelling Information