Chapter 7 - Summary

Chapter 7 included the following concepts from computing.

Summary of Python Keywords and Functions

  • def - The def keyword is used to define a procedure or function in Python. The line must also end with a : and the body of the procedure or function must be indented 4 spaces.

  • for - A for loop is a programming statement that tells the computer to repeat a statement or a set of statements. It is one type of loop.

  • print - The print statement in Python will print the value of the items passed to it.

  • range - The range function in Python returns a list of consecutive values. If the range function is passed one value it returns a list with the numbers from 0 up to and not including the passed number. For example, range(5) returns a list of [0,1,2,3,4]. If the range function is passed two numbers separated by a comma it returns a list including the first number and then up to but not including the second number. For example, range(1,4) returns the list [1, 2, 3]. If it is passed three values range(start,end,step) it returns all the numbers from start to one less than end changing by step. For example, range(0,10,2) returns [0,2,4,6,8].


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