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Sep 08: Boolean Logic, Conditions

Learning Objectives

After today's class, you should be able to:

  • Describe the responsibility of each team role (Manager, Presenter, Recorder, Reflector).
  • Evaluate boolean expressions with comparison operators (<, >, <=, >=, ==, !=).
  • Evaluate boolean expressions that involve comparisons with and, or, and not.

Reminders

  • Read Ch 3 – ideally:
    • 1st half before Friday
    • 2nd half before Monday
  • Submit HW 3 – ideally:
    • 1 and 2 before Friday
    • 3 and 4 before Monday

POGIL Activity

  • Conditions and Logic
    • If you are absent today, complete this activity at home
    • Bring your completed activity to class or office hours
  • Optional: To learn more about POGIL, check out pogil.org

Example Code

Model 1 

type(True)
type(true)
type(3 < 4)
print(3 < 4)
three = 3
four = 4
print(three == four)
check = three > four
print(check)
type(check)
print(three = four)
three = four
print(three == four)

Model 2 

a = 3
b = 4
c = 5

print(a < b and b < c)
print(a < b or b < c)
print(a < b and b > c)
print(a < b or b > c)
print(not a < b)
print(a > b or not a > c and b > c)