Before Class

• Read Simple Python Data from the beginning through the section entitled Variable Names and Keywords.

Class Activity

• Give an example of the string (str) type. Now give an example of the integer (int) type. Finally, give an example of the float type.
• Why do we care about types?
• How can you print the sentence "She's from Cuba" if you want all of the quote marks to show up?
• Explain the difference between print("hi", "there") and print("hi" + "there")?
• How can you convert 3.14 into a string? Into an integer? Into a float?
• Give an example where using a variable in a Python program is helpful.
• Explain how the assignment operator, =, works.
• Why might it a good idea to only use lower case letters in variable names?
• Why is it a good idea to make variable names meaningful?
• Give an example of an illegal variable name.

Active Learning Activity

Work the following exercises.

• Exercise 1.
• Exercise 2.
• Exercise 3.