Practice

Exercise library

All 811 graded exercises. Each opens in its lesson, where the examples that teach it are right above.

811 exercises · page 2 of 14

Format a salary statementTrack 2 · f-strings and formattingGuided · ●
Print an aligned café receiptTrack 2 · f-strings and formattingChallenge · ●●●
Zero-padded invoice numbers and percentagesTrack 2 · f-strings and formattingEdge cases · ●●
Fix the sales reportTrack 2 · f-strings and formattingDebugging · ●●
Free shipping checkTrack 2 · Booleans and comparisonsGuided · ●
Can we fill this order?Track 2 · Booleans and comparisonsChallenge · ●●
Do the voucher codes match?Track 2 · Booleans and comparisonsEdge cases · ●●
Fix the temperature alarmTrack 2 · Booleans and comparisonsDebugging · ●●
Calculate a line totalTrack 2 · Converting between typesGuided · ●
Print a parcel labelTrack 2 · Converting between typesChallenge · ●●
Box counts from a spreadsheetTrack 2 · Converting between typesEdge cases · ●●●
Fix the newsletter opt-inTrack 2 · Converting between typesDebugging · ●●
Weekly pay slipTrack 2 · Processing user inputGuided · ●
Shipping box volumeTrack 2 · Processing user inputChallenge · ●●
Clean up a customer recordTrack 2 · Processing user inputEdge cases · ●●
Fix the quiz score totalTrack 2 · Processing user inputDebugging · ●●
A customer with no card yetTrack 2 · None and dynamic typingGuided · ●
Follow a value through its typesTrack 2 · None and dynamic typingChallenge · ●●
A whole-number price is still a floatTrack 2 · None and dynamic typingEdge cases · ●●
Fix the growing stock countTrack 2 · None and dynamic typingDebugging · ●●
Milestone 1: add up the dishesTrack 2 · Mini project: restaurant bill splitterGuided · ●
Milestone 2: add VAT and a tipTrack 2 · Mini project: restaurant bill splitterChallenge · ●●
Milestone 3: fix the per-person amountTrack 2 · Mini project: restaurant bill splitterDebugging · ●●
Milestone 4: one line, messy spacingTrack 2 · Mini project: restaurant bill splitterEdge cases · ●●●
Milestone 5: the complete bill splitterTrack 2 · Mini project: restaurant bill splitterProject milestone · ●●●
Low-stock alertTrack 3 · Making decisions with ifGuided · ●
Library late feeTrack 3 · Making decisions with ifChallenge · ●●
Fix the free-delivery checkTrack 3 · Making decisions with ifDebugging · ●
Store a condition in a variableTrack 3 · Making decisions with ifEdge cases · ●●
Pass or failTrack 3 · Two-way decisions with elseGuided · ●Members
Weekly pay with overtimeTrack 3 · Two-way decisions with elseChallenge · ●●Members
Parking card balanceTrack 3 · Two-way decisions with elseEdge cases · ●●Members
Fix the cinema ticket printerTrack 3 · Two-way decisions with elseDebugging · ●●Members
Letter gradesTrack 3 · Multi-way decisions with elifGuided · ●Members
Progressive electricity billTrack 3 · Multi-way decisions with elifChallenge · ●●●Members
Fix the courier categoriesTrack 3 · Multi-way decisions with elifDebugging · ●●Members
Wind warnings with invalid readingsTrack 3 · Multi-way decisions with elifEdge cases · ●●Members
Loan eligibilityTrack 3 · Combining conditions with and, or, notGuided · ●Members
Night and weekend surchargeTrack 3 · Combining conditions with and, or, notChallenge · ●●●Members
Fix the bonus ruleTrack 3 · Combining conditions with and, or, notDebugging · ●●Members
Average basket without crashingTrack 3 · Combining conditions with and, or, notEdge cases · ●●Members
Office comfort rangeTrack 3 · Comparisons in depthGuided · ●Members
Forgiving promo codesTrack 3 · Comparisons in depthChallenge · ●●Members
Did the customer pay in full?Track 3 · Comparisons in depthEdge cases · ●●●Members
Fix the VIP lounge checkTrack 3 · Comparisons in depthDebugging · ●●Members
Greeting with a fallback nameTrack 3 · Truthy and falsy valuesGuided · ●Members
Order summary with optional fieldsTrack 3 · Truthy and falsy valuesChallenge · ●●Members
A zero that is not missingTrack 3 · Truthy and falsy valuesEdge cases · ●●●Members
ATM withdrawalTrack 3 · Nested conditions and guard clausesGuided · ●●Members
Clinic booking rules, flattenedTrack 3 · Nested conditions and guard clausesChallenge · ●●●Members
Fix the misplaced elseTrack 3 · Nested conditions and guard clausesDebugging · ●●●Members
Exam results with invalid scoresTrack 3 · Nested conditions and guard clausesEdge cases · ●●●Members
Delivery coverageTrack 3 · Membership tests and range checksGuided · ●Members
Password rulesTrack 3 · Membership tests and range checksChallenge · ●●●Members
Is the shop open?Track 3 · Membership tests and range checksEdge cases · ●●●Members
Fix the confirmation promptTrack 3 · Membership tests and range checksDebugging · ●●Members
Item or itemsTrack 3 · Conditional expressionsGuided · ●Members
Delivery line on a receiptTrack 3 · Conditional expressionsChallenge · ●●Members
Fix the missing prefixTrack 3 · Conditional expressionsDebugging · ●●Members
Unpack a chained conditional expressionTrack 3 · Conditional expressionsRefactoring · ●●Members