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Names for Things: Python: Uncharted

Courses PythonNames for Things

Names for Things

Assign clear names, update changing values, trace state, and make every Python chore script easier to read.

Python
Unit 2 of 20
20 lessons
163 min
420 XP

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Lessons

20 total

1Sticky Notes on ThingsRecognize that a Python name points to an object without changing the object itself.InteractiveConcept6 min20 XPOpen
2Your First NameAssign a string to a Python name and print the stored value by that name.CodeConcept7 min20 XPOpen
3Names Can MoveReassign a Python name and observe that it now points to the newer value.CodeConcept7 min20 XPOpen
4Counters CountInitialize, increase, and print a loyalty-stamp counter.CodeConcept8 min20 XPOpen
5The Swap TrickSwap two values with a temporary name, then swap them back with Python unpacking.CodeConcept9 min20 XPOpen
6Names That Mean ThingsReplace cryptic variables with descriptive snake_case names.CodeConcept8 min20 XPOpen
7Trace the ValueTrace one variable through three statements to determine its final value.InteractiveConcept7 min20 XPOpen
8Running a BudgetBuild subtotal, tip, and total as a chain of named values.CodeConcept9 min20 XPOpen
9Order of UpdatesArrange assignments so each update receives the intended current value.InteractiveConcept8 min20 XPOpen
10The Name That Isn'tUse NameError evidence to place an assignment before the name is read.CodeConcept8 min20 XPOpen
11Shortcut OperatorsUse +=, -=, and *= to express three concise updates to one variable.CodeConcept8 min20 XPOpen
12Constants by ConventionInterpret an UPPER_CASE name as a convention for a value intended to stay fixed.InteractiveConcept7 min20 XPOpen
13Streak KeeperUpdate a habit streak as completed and missed days occur in order.CodePractice8 min20 XPOpen
14Water Bottle MathTrack refills and sips by adding to and subtracting from one stored amount.CodePractice8 min20 XPOpen
15Two Names TangoPredict how a derived variable behaves after its source variable changes.CodeConcept8 min20 XPOpen
16Predict After UpdatesTrace three updates and identify the value printed at the end.InteractiveConcept7 min20 XPOpen
17ScorekeeperTrack two players independently across three rounds of score updates.CodePractice10 min20 XPOpen
18Why Good Names MatterExplain how a descriptive name helps the next reader understand and change code.InteractiveConcept8 min20 XPOpen
19Day Counter ChainBuild a manual countdown by printing and updating one day counter in sequence.CodePractice10 min20 XPOpen
20Names Mastery CheckBuild a clear shift summary with assigned facts, changing state, and derived values.CodeMastery check12 min40 XPOpen

Hello, Python Numbers and Text