2. Introduction to Python Programming

Objectives (1 of 3)

In this chapter, you’ll:

• Continue using IPython interactive mode to enter code snippets and see their results immediately.
• Write simple Python statements and scripts.
• Create variables to store data for later use.
• Become familiar with built-in data types.

Objectives (2 of 3)

• Use built-in function print to display text.
• Use arithmetic operators and comparison operators, and understand their precedence.
• Use single-, double- and triple-quoted strings.
• Use built-in function input to prompt the user to enter data at the keyboard and get that data for use in the program.

Objectives (3 of 3)

• Convert text to integer values with built-in function int.
• Use comparison operators and the if statement to decide whether to execute a statement or group of statements.
• Learn about objects and Python’s dynamic typing.
• Use built-in function type to get an object’s type.

Outline

• 2.1 Introduction
• 2.2 Variables and Assignment Statements
• 2.3 Arithmetic
• 2.4 Function print and an Intro to Single- and Double-Quoted Strings
• 2.5 Triple-Quoted Strings

Outline (cont.)

• 2.6 Getting Input from the User
• 2.7 Decision Making: The if Statement and Comparison Operators
• 2.8 Objects and Dynamic Typing
• 2.9 Intro to Data Science: Basic Descriptive Statistics

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©1992–2020 by Pearson Education, Inc. All Rights Reserved. This content is based on Chapter 2 of the book Intro to Python for Computer Science and Data Science: Learning to Program with AI, Big Data and the Cloud.

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