Foundational Python for Data Science

5

Execution Control

An approximate answer to the right problem is worth a good deal more than an exact answer to an approximate problem.

John Tukey

In This Chapter

• Introduction to compound statements

• Equality operations

• Comparison operations

• Boolean operations

• if statements

• while loops

• for loops

Up until this point in the book, you’ve seen statements as individual units, executing sequentially one line at a time. Programming becomes much more powerful and interesting when you can group statements together so that they execute as a unit. Simple statements that are joined together can perform more complex behaviors.

Compound Statements

Chapter 2, “Fundamentals of Python,” introduces simple statements, each of which performs an action. This ...