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Making Decisions: Python: Uncharted

Courses PythonMaking Decisions

Making Decisions

Turn comparisons into clear choices with boolean logic, if/else branches, and ordered decision ladders.

Python
Unit 4 of 20
20 lessons
171 min
420 XP

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Lessons

20 total

1If It RainsRecognize a daily decision as one condition with a yes path and a no path.InteractiveConcept7 min20 XPOpen
2Questions with True/False AnswersWrite comparisons that produce and print boolean values.CodeConcept7 min20 XPOpen
3Your First ifUse an if statement to print a free-delivery message when a threshold is met.CodeConcept8 min20 XPOpen
4Indentation Is the LawRepair an IndentationError by placing a statement inside an if block.CodeConcept8 min20 XPOpen
5Otherwise: elseUse if and else to provide exactly one message for either boolean outcome.CodeConcept7 min20 XPOpen
6elif LaddersBuild an elif ladder that selects one cinema ticket price from an age.CodeConcept9 min20 XPOpen
7and Means BothCombine an open state and an affordability comparison with and.CodeConcept8 min20 XPOpen
8or, and DefaultsUse or to choose a fallback when a preferred string is empty.CodeConcept7 min20 XPOpen
9not Flips ItInvert a boolean with not to detect a closed shop.CodeConcept7 min20 XPOpen
10Courier Reads the LabelUse fixed starter data to choose a left or right turn in a courier program.Code worldConcept10 min20 XPOpen
11Most Specific FirstOrder an elif ladder so every overlapping threshold remains reachable.InteractiveConcept8 min20 XPOpen
12Flat Beats NestedRefactor a nested decision into a flat elif ladder without changing its output.CodeConcept9 min20 XPOpen
13Which Branch Runs?Predict the first matching branch for three inputs in one ordered ladder.InteractiveConcept8 min20 XPOpen
14Truthiness in PythonObserve how an empty string, zero, and an empty list behave directly in conditions.CodeConcept8 min20 XPOpen
15Movie Night PickerApply an ordered rule chain to select one movie genre.CodePractice10 min20 XPOpen
16Shipping RulesOrder weight, distance, and speed rules into one shipping-fee ladder.CodePractice11 min20 XPOpen
17Comparisons That ChainUse Python chained comparison syntax to test whether an age lies in a range.CodeConcept8 min20 XPOpen
18Why Order MattersExplain why a broad condition can hide a more specific later branch.InteractiveConcept9 min20 XPOpen
19Door Code GateUse an exact code match and remaining attempts to choose a polite gate message.CodePractice10 min20 XPOpen
20Decisions Mastery CheckCombine comparisons, boolean logic, if/else, and ordered branches in one shipping decision.CodeMastery check12 min40 XPOpen

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