Concept 461: references to data structures and their properties, particularly focusing on length and size attributes

Concept: references to data structures and their properties, particularly focusing on length and size attributes

Top Activations

▁▁▁▁total▁=▁sum(numbers)▁▁#▁The▁length▁of▁the▁list▁is▁2 ▁▁▁▁ ▁▁▁▁

▁of▁the▁string▁data▁structure:▁every▁character▁contributes▁to▁its▁total▁length.▁The▁size▁of▁the▁iterable▁directly▁affects▁how▁many▁iterations▁occur,▁thus▁impacting▁efficiency▁and

▁=▁array ▁▁▁▁@property ▁▁▁▁def▁array_length(self): ▁▁▁▁▁▁▁▁return▁len(self.array) ▁▁▁▁@property ▁▁▁▁

(x,▁y▁-▁1)▁▁#▁Here,▁the▁length▁of▁the▁recursion▁determines▁the▁number▁of▁additions #▁Example▁usage: result▁=

_balance(self): ▁▁▁▁▁▁▁▁return▁self.balance ▁▁▁▁def▁length_of_transactions(self,▁transactions): ▁▁▁▁▁▁▁▁return▁len(

▁of▁dictionaries.") ▁▁▁▁#▁Utilizing▁properties▁of▁the▁list▁structure▁to▁determine▁its▁size ▁▁▁▁length_of_dicts▁=▁len(list_of_

▁▁#▁Add▁email▁to▁the▁list ▁▁▁▁▁▁▁▁ ▁▁▁▁▁▁▁▁#▁Report▁the▁size▁of▁the▁data▁structure▁after

▁a▁list's▁aggregation,▁where▁the▁operation▁resembles▁calculating▁the▁total▁length,▁ #▁yielding▁a▁single▁outcome▁that▁transcends

gender(name): ▁▁▁▁#▁Accessing▁the▁length▁property▁of▁the▁name▁to▁ensure▁it▁is▁processed ▁▁▁▁name_length▁=▁len(name)

Subsample Interval 1

str1,▁str2): ▁▁▁▁#▁First,▁check▁if▁the▁lengths▁of▁both▁strings▁are▁equal ▁▁▁▁if▁len(str1)▁!=▁len

_sum▁=▁sum(primes) ▁▁▁▁primes_length▁=

▁be▁viewed▁as▁a▁collection▁of▁characters, ▁▁▁▁#▁where▁the▁length▁is▁determined▁by▁the▁number▁of▁elements▁it▁contains. ▁▁▁▁input_bytes▁=

▁from▁inclusive▁start▁to▁inclusive▁end,▁showcasing▁the▁total▁magnitude

▁self.salary ▁▁▁▁▁▁▁▁} ▁▁▁▁def▁salary_length(self): ▁▁▁▁▁▁▁▁return▁len(str(self.salary)) ▁▁▁▁def▁id

Subsample Interval 2

▁name): ▁▁▁▁▁▁▁▁if▁isinstance(name,▁str)▁and▁len(name)▁>▁0: ▁▁▁▁▁▁▁▁▁▁▁▁self.name▁=▁name ▁▁▁▁def

def▁find_third_largest(arr): ▁▁▁▁if▁len(arr)▁<▁3: ▁▁▁▁▁▁▁▁return▁None▁▁#▁Not▁enough▁elements

csv(file_path) ▁▁▁▁ ▁▁▁▁#▁Assess▁the▁size▁and▁length▁of▁the▁data▁structure ▁▁▁▁total_rows▁=▁data.shape[

▁▁▁▁result▁=▁[] ▁▁▁▁#▁Pre-allocate▁list▁size▁based▁on▁unique▁items▁count ▁▁▁▁result▁=▁[0]▁*▁len(unique_items

▁specified▁feature. ▁▁▁▁""" ▁▁▁▁ ▁▁▁▁total_count▁=▁len(dataset)▁▁#▁Number▁of▁records▁in▁the

Subsample Interval 3

Generate▁a▁Python▁program▁to▁convert▁a▁given▁number▁from▁one▁base▁to▁another model ```python def▁convert_base(num,▁from_base,▁to_base): ▁▁▁▁#▁Convert▁the▁number▁from▁the▁original▁base▁to▁decimal ▁▁▁▁decimal_value▁=▁int(num,▁from_base) ▁▁▁▁ ▁▁▁▁#▁Initialize▁an▁empty▁container▁to▁store▁digits▁of▁the▁new▁base▁representation ▁▁▁▁digits▁=▁[] ▁▁▁▁ ▁▁▁▁#▁Handle▁the▁case▁where▁the▁number▁is▁zero ▁▁▁▁if▁decimal_value▁==▁0: ▁▁▁▁▁▁▁▁return▁'0' ▁▁▁▁ ▁▁▁▁#▁Convert▁the▁decimal▁number▁to▁the▁desired▁base ▁▁▁▁while▁decimal_value▁>▁0: ▁▁▁▁▁▁▁▁remainder▁=▁decimal_value▁%▁to

What▁is▁the▁length▁of▁an▁Olympic▁size▁swimming▁pool? model An▁Olympic▁size▁swimming▁pool▁is▁50▁meters▁in▁length

How▁many▁squares▁does▁a▁chessboard▁have? model A▁standard▁chessboard▁has▁64▁squares,▁arranged▁in▁an▁8x8▁grid.▁However,▁if▁you▁count▁all▁the▁possible▁squares▁of▁varying▁sizes,▁the▁total▁comes▁to▁204▁squares.▁This▁includes▁1x1▁squares,▁2x2▁squares,▁up▁to▁8x8▁squares

Camden▁just▁bought▁3/4▁times▁as▁many▁dogs▁as▁Rico,▁who▁has▁10▁more▁dogs▁than▁Justin.▁If▁Justin▁has▁14▁dogs,▁what's▁the▁total▁number▁of▁legs▁that▁Camden's▁dogs▁have? model Camden▁has▁3/4▁times▁as▁many▁dogs▁as▁Rico.▁First,▁we▁need▁to▁find▁out▁how▁many▁dogs▁Rico▁has.▁Since▁Justin▁has▁14▁dogs▁and▁Rico▁has▁10▁more▁than▁Justin,▁we▁can▁determine▁that▁Rico▁has▁14▁+▁10▁=▁24▁dogs. Now,▁Camden's▁dogs▁are▁calculated▁as▁follows: Camden▁has▁(3/4)▁*▁24▁=▁18▁dogs. Each▁dog▁has▁4▁legs,▁so▁the▁total▁number▁of▁legs▁that▁Camden's▁dogs▁have▁is: 18▁dogs▁*▁4▁legs/dog

_sentence▁=▁sentence.strip() ▁▁▁▁if▁len(

Subsample Interval 4

Create▁a▁game▁in▁Python▁based▁on▁personal▁preferences model In▁this▁Python▁game,▁players▁can▁choose▁their▁preferred▁element▁as▁a▁starting▁point,▁such▁as▁fire,▁water,▁earth,▁or▁air.▁Each▁element▁influences▁the▁game▁mechanics,▁providing▁unique▁skills▁and▁challenges▁that▁reflect▁their▁natural▁characteristics.▁Players▁can▁explore▁an▁open▁world▁where▁they▁must▁gather▁resources▁and▁battle▁enemies,▁using▁their▁chosen▁element▁to▁overcome▁obstacles▁that▁mirror▁their▁fundamental▁nature.▁This▁interactive▁experience▁allows▁for▁a▁deeper▁connection▁with▁the▁elemental▁forces▁of▁the▁game,▁fostering▁a▁deeper▁appreciation▁for▁each▁essential▁aspect▁of▁nature's

What▁is▁a▁time▁signature▁in▁music? model A▁time▁signature▁in▁music▁is▁a▁notational▁device▁that▁indicates▁how▁many▁beats▁are▁in▁each▁measure▁and▁what▁type▁of▁note▁is▁counted▁as▁one▁beat.▁It▁is▁typically▁written▁as▁two▁numbers,▁one▁stacked▁above▁the▁other.▁The▁top▁number▁represents▁the▁number▁of▁beats▁in▁a▁measure,▁while▁the▁bottom▁number▁indicates▁the▁note▁value▁that▁gets▁one▁beat.▁Common▁time▁signatures▁include▁4/4,▁3/4,▁and▁6/8,▁and▁they▁help▁musicians▁understand▁the▁rhythmic▁structure▁of▁a▁piece,▁guiding▁the▁way▁they▁should▁play▁or▁perform▁the▁music

Create▁an▁environment▁in▁Python▁to▁demonstrate▁the▁effects▁of▁an▁unbalanced▁dataset model import▁numpy▁as▁np import▁matplotlib.pyplot▁as▁plt from▁sklearn.datasets▁import▁make_classification from▁sklearn.model_selection▁import▁train_test_split from▁sklearn.ensemble▁import▁RandomForestClassifier from▁sklearn.metrics▁import▁classification_report,▁confusion_matrix #▁Generate▁an▁unbalanced▁dataset X,▁y▁=▁make_classification(n_samples=1000,▁n_features=20,▁n_informative=2, ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁n_redundant=10,▁n_clusters_per_class=1, ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁weights=[0.9,▁0.1],▁flip

What▁are▁financial▁services? model Financial▁services▁encompass▁a▁broad▁range▁of▁services▁offered▁by▁the▁finance▁industry▁to▁help▁individuals,▁businesses,▁and▁governments▁manage▁their▁financial▁resources.▁These▁services▁include▁banking,▁insurance,▁investment▁management,▁financial▁planning,▁and▁payment▁processing,▁among▁others.▁Financial▁institutions▁such▁as▁banks,▁credit▁unions,▁investment▁firms,▁and▁insurance▁companies▁play▁a▁crucial▁role▁in▁providing▁these▁services,▁facilitating▁transactions,▁managing▁assets,▁providing▁loans,▁and▁offering▁advice▁to▁clients▁regarding▁wealth▁management▁and▁financial▁strategies.▁Overall,▁financial▁services▁are▁essential▁for▁economic▁stability▁and▁growth,▁enabling▁efficiency▁in▁capital▁allocation▁and▁fostering▁investment▁opportunities

Implement▁a▁web▁server▁in▁Python▁to▁serve▁static▁HTML▁webpages model To▁implement▁a▁web▁server▁in▁Python▁to▁serve▁static▁HTML▁webpages,▁you▁can▁use▁the▁built-in▁HTTP▁server▁module.▁Here▁is▁a▁simple▁example▁that▁allows▁you▁to▁display▁an▁array▁of▁HTML▁files▁hosted▁in▁a▁directory: ```python import▁http.server import▁socketserver PORT▁=▁8000 DIRECTORY▁=▁"your_html_directory" class▁MyHandler(http.server.SimpleHTTPRequestHandler): ▁▁▁▁def▁translate_path(self,▁path): ▁▁▁▁▁▁▁▁return▁super().translate_path(path.replace('/','/',▁1))▁▁#▁Modifying▁path▁for▁range▁display with

Subsample Interval 5

Create▁a▁function▁for▁converting▁a▁string▁to▁an▁integer▁in▁Python model def▁string_to_integer(s): ▁▁▁▁s▁=▁s.strip() ▁▁▁▁if▁not▁s: ▁▁▁▁▁▁▁▁raise▁ValueError("Input▁string▁is▁empty") ▁▁▁▁ ▁▁▁▁sign▁=▁1 ▁▁▁▁start_index▁=▁0 ▁▁▁▁ ▁▁▁▁if▁s[0]▁in▁('+',▁'-'): ▁▁▁▁▁▁▁▁if▁s[0]▁==▁'-': ▁▁▁▁▁▁▁▁▁▁▁▁sign▁=▁-1 ▁▁▁▁▁▁▁▁start_index▁=▁1 ▁▁▁▁ ▁▁▁▁num▁=▁0 ▁▁▁▁for▁char▁in▁s[start_index:]: ▁▁▁▁▁▁▁▁if▁char.isdigit(): ▁▁▁▁▁▁▁▁▁▁▁▁num▁=▁num▁*▁10▁+▁int(char

What▁is▁Debezium? model Debezium▁is▁an▁open-source▁distributed▁platform▁for▁change▁data▁capture▁(CDC).▁It▁enables▁organizations▁to▁monitor▁and▁record▁changes▁in▁database▁states▁in▁real▁time,▁allowing▁for▁the▁streaming▁of▁these▁changes▁to▁messaging▁systems,▁data▁lakes,▁or▁other▁data▁stores.▁This▁capability▁helps▁businesses▁to▁build▁event-driven▁architectures▁and▁keep▁data▁in▁sync▁across▁various▁systems,▁facilitating▁reactive▁applications▁and▁enhancing▁data▁analytics▁processes.▁By▁using▁connectors▁specific▁to▁different▁databases,▁Debezium▁captures▁events▁such▁as▁inserts,▁updates,▁and▁deletes,▁enabling▁a▁flexible▁approach▁to▁data▁management▁and▁integration

What▁is▁digestion? model Digestion▁is▁the▁biological▁process▁by▁which▁food▁is▁broken▁down▁into▁smaller,▁absorbable▁components.▁It▁begins▁in▁the▁mouth,▁where▁mechanical▁chewing▁and▁enzymes▁in▁saliva▁start▁to▁break▁down▁food.▁The▁food▁then▁travels▁down▁the▁esophagus▁to▁the▁stomach,▁where▁gastric▁acids▁and▁enzymes▁further▁digest▁it.▁Once▁in▁the▁small▁intestine,▁nutrients▁from▁the▁food▁are▁absorbed▁into▁the▁bloodstream,▁providing▁energy▁and▁building▁blocks▁for▁the▁body.▁The▁remaining▁waste▁is▁then▁pushed▁into▁the▁large▁intestine,▁where▁water▁is▁absorbed,▁and▁finally▁expelled▁from▁the▁body.▁Overall,▁digestion▁is▁essential▁for▁converting▁the▁food▁we▁eat▁into▁the▁nutrients▁our▁bodies▁need▁to▁function

What▁is▁the▁PEDALS▁method model The▁PEDALS▁method▁is▁a▁structured▁approach▁used▁in▁various▁fields,▁notably▁in▁education,▁to▁enhance▁learning▁and▁understanding.▁It▁stands▁for▁the▁following▁elements:▁ P▁-▁Prepare:▁Set▁clear▁objectives▁and▁create▁an▁appropriate▁environment▁for▁learning.▁▁ E▁-▁Engage:▁Actively▁involve▁learners▁through▁discussions,▁questions,▁and▁interactive▁activities.▁▁ D▁-▁Demonstrate:▁Showcase▁the▁concepts▁or▁skills▁to▁ensure▁understanding▁through▁examples▁or▁visual▁aids.▁▁ A▁-▁Apply:▁Encourage▁learners▁to▁practice▁the▁newly▁acquired▁skills▁or▁knowledge▁in▁relevant▁contexts.▁▁ L▁-▁Learn:▁Reflect▁on▁the▁process,▁enabling▁learners▁to▁internalize▁what▁has▁been▁taught

Why▁are▁plants▁green? model Plants▁are▁green▁primarily▁because▁of▁the▁pigment▁chlorophyll,▁which▁is▁essential▁for▁photosynthesis.▁Chlorophyll▁absorbs▁light▁most▁efficiently▁in▁the▁blue▁and▁red▁wavelengths,▁while▁it▁reflects▁green▁light.▁This▁reflective▁property▁is▁what▁gives▁plants▁their▁green▁appearance.▁The▁process▁of▁photosynthesis▁allows▁plants▁to▁convert▁sunlight▁into▁energy,▁using▁the▁absorbed▁light▁to▁transform▁carbon▁dioxide▁and▁water▁into▁glucose▁and▁oxygen,▁supporting▁their▁growth▁and▁survival

Subsample Interval 6

In▁Japan▁what▁color▁car▁is▁reserved▁for▁the▁royal▁family▁only model In▁Japan,▁the▁color▁of▁the▁car▁that▁is▁reserved▁for▁the▁royal▁family▁is▁a▁special▁shade▁of▁dark▁blue

Is▁it▁possible▁to▁prevent▁Type▁2▁Diabetes? model Yes,▁it▁is▁possible▁to▁prevent▁Type▁2▁Diabetes▁through▁several▁lifestyle▁changes.▁Maintaining▁a▁healthy▁weight,▁engaging▁in▁regular▁physical▁activity,▁and▁consuming▁a▁balanced▁diet▁rich▁in▁whole▁grains,▁fruits,▁vegetables,▁and▁lean▁proteins▁can▁significantly▁lower▁the▁risk.▁Additionally,▁avoiding▁processed▁foods▁high▁in▁sugar▁and▁saturated▁fats,▁as▁well▁as▁managing▁stress▁and▁getting▁adequate▁sleep,▁play▁crucial▁roles▁in▁prevention.▁Regular▁health▁check-ups▁can▁also▁help▁monitor▁risk▁factors▁and▁allow▁for▁early▁intervention▁if▁needed

Generate▁a▁Python▁program▁to▁identify▁prime▁numbers▁up▁to▁a▁given▁positive▁integer model ```python def▁is_prime(num): ▁▁▁▁if▁num▁<=▁1: ▁▁▁▁▁▁▁▁return▁False ▁▁▁▁for▁i▁in▁range(2,▁int(num**0.5)▁+▁1): ▁▁▁▁▁▁▁▁if▁num▁%▁i▁==▁0: ▁▁▁▁▁▁▁▁▁▁▁▁return▁False ▁▁▁▁return▁True def▁prime_numbers_up_to(n): ▁▁▁▁primes▁=▁[] ▁▁▁▁for▁number▁in▁range(2,▁n▁+▁1): ▁▁▁▁▁▁▁▁if▁is_prime(number): ▁▁▁▁▁▁▁▁▁▁▁▁primes.append(number) ▁▁▁▁return▁primes #▁Get▁the▁positive▁integer▁from▁the▁user limit▁=▁int(

What▁are▁the▁names▁of▁the▁three▁largest▁United▁States▁Virgin▁Islands? model The▁three▁largest▁United▁States▁Virgin▁Islands▁are▁Saint▁Thomas,▁Saint▁John,▁and▁Saint▁Croix

Evelyn’s▁family▁watched▁10▁hours▁of▁television▁last▁week.▁The▁week▁before,▁they▁watched▁8▁hours▁of▁television.▁If▁they▁watch▁12▁hours▁of▁television▁next▁week,▁what▁is▁the▁average▁number▁of▁hours▁of▁television▁that▁they▁watch▁per▁week? model To▁find▁the▁average▁number▁of▁hours▁that▁Evelyn’s▁family▁watched▁television▁over▁the▁three▁weeks,▁we▁first▁add▁the▁total▁hours▁they▁watched: Last▁week:▁10▁hours▁▁ The▁week▁before:▁8▁hours▁▁ Next▁week▁(projected):▁12▁hours▁▁ Total▁hours▁=▁10▁+▁8▁+▁12▁=▁30▁hours Now,▁we▁divide▁the▁total▁hours▁by▁the▁number▁of▁weeks: Average▁=▁Total▁hours▁/▁Number▁of▁weeks▁▁ Average▁=▁30▁hours▁/▁3▁weeks▁=▁10▁hours Therefore,▁the▁average▁number▁of▁hours▁of▁television▁that

Subsample Interval 7

Three▁plastic▁chairs▁cost▁as▁much▁as▁a▁portable▁table.▁Five▁plastic▁chairs▁cost▁$55.▁If▁Manny▁wants▁to▁buy▁one▁portable▁table▁and▁two▁chairs,▁how▁much▁will▁be▁left▁in▁his▁$100? model First,▁we▁need▁to▁determine▁the▁cost▁of▁one▁plastic▁chair.▁We▁know▁that▁five▁plastic▁chairs▁cost▁$55,▁so▁the▁cost▁of▁one▁chair▁is: Cost▁of▁one▁chair▁=▁$55▁/▁5▁=▁$11. Next,▁we▁can▁find▁the▁cost▁of▁three▁plastic▁chairs: Cost▁of▁three▁chairs▁=▁3▁*▁$11▁=▁$33. According▁to▁the▁problem,▁the▁cost▁of▁a▁portable▁table▁is▁the▁same▁as▁the▁cost▁of▁three▁plastic▁chairs,▁which▁means▁the▁price▁of▁the▁portable▁table▁is▁also▁$33. Manny▁wants▁to▁buy▁one▁portable▁table▁and▁two▁plastic

Jose▁bought▁20,000▁square▁meters▁of▁land▁and▁needs▁to▁divide▁it▁equally▁with▁his▁four▁siblings.▁How▁much▁land,▁in▁the▁square▁meters,▁will▁Jose▁have▁after▁dividing▁it▁with▁his▁siblings? model Jose▁will▁have▁4,000▁square▁meters▁of▁land▁after▁dividing▁it▁equally▁with▁his▁four▁siblings

Generate▁a▁Python▁program▁to▁compare▁two▁strings▁and▁return▁the▁largest▁string model def▁compare_strings(str1,▁str2): ▁▁▁▁return▁str1▁if▁str1▁>▁str2▁else▁str2 #▁Example▁usage string1▁=▁"apple" string2▁=▁"banana" result▁=▁compare_strings(string1,▁string2) print(result

Generate▁a▁Python▁dictionary▁with▁10▁key-value▁pairs,▁where▁the▁value▁should▁be▁an▁integer model { ▁▁▁▁"apple":▁10, ▁▁▁▁"banana":▁5, ▁▁▁▁"orange":▁8, ▁▁▁▁"grape":▁12, ▁▁▁▁"melon":▁15, ▁▁▁▁"kiwi":▁7, ▁▁▁▁"peach":▁11, ▁▁▁▁"plum":▁6, ▁▁▁▁"pear":▁9, ▁▁▁▁"cherry":▁3

Using▁only▁base▁Python▁(no▁3rd▁party▁libraries),▁create▁a▁function▁that▁checks▁whether▁a▁number▁is▁prime▁or▁not model def▁is_prime(n): ▁▁▁▁if▁n▁<=▁1: ▁▁▁▁▁▁▁▁return▁False ▁▁▁▁for▁i▁in▁range(2,▁int(n**0.5)▁+▁1): ▁▁▁▁▁▁▁▁if▁n▁%▁i▁==▁0: ▁▁▁▁▁▁▁▁▁▁▁▁return▁False ▁▁▁▁return

International▁Booker▁Prize▁2021▁was▁given▁to model The▁International▁Booker▁Prize▁2021▁was▁awarded▁to▁Daisy▁Johnson▁for▁her▁novel▁"Sisters

Generate▁a▁web▁API▁in▁Python▁Django▁to▁compare▁the▁prices▁of▁two▁products▁from▁different▁stores model from▁django.shortcuts▁import▁render from▁django.http▁import▁JsonResponse from▁django.views▁import▁View import▁requests class▁PriceComparisonView(View): ▁▁▁▁def▁get(self,▁request): ▁▁▁▁▁▁▁▁product_1▁=▁request.GET.get('product1') ▁▁▁▁▁▁▁▁product_2▁=▁request.GET.get('product2') ▁▁▁▁▁▁▁▁store_1▁=▁request.GET.get('store1') ▁▁▁▁▁▁▁▁store_2▁=▁request.GET.get('store2') ▁▁▁▁▁▁▁▁price_1▁=▁self.fetch_price(product_1,▁store_1) ▁▁▁▁▁▁▁▁price_2▁=▁self

What▁is▁a▁short▁hiking▁trail▁in▁Tiburon? model One▁short▁hiking▁trail▁in▁Tiburon▁is▁the▁Blackie's▁Pasture▁Trail.▁This▁scenic▁path▁offers▁beautiful▁views▁of▁the▁bay▁and▁is▁perfect▁for▁a▁quick▁outdoor▁escape.▁The▁trail▁is▁relatively▁easy▁and▁great▁for▁all▁skill▁levels,▁making▁it▁a▁popular▁choice▁for▁locals▁and▁visitors▁alike

Write▁a▁Python▁program▁to▁simulate▁a▁rock-paper-scissor▁game▁which▁is▁played▁for▁3▁rounds model ```python import▁random def▁play_round(): ▁▁▁▁choices▁=▁['rock',▁'paper',▁'scissors'] ▁▁▁▁player_choice▁=▁input("Enter▁rock,▁paper,▁or▁scissors:▁").lower() ▁▁▁▁computer_choice▁=▁random.choice(choices) ▁▁▁▁ ▁▁▁▁if▁player_choice▁not▁in▁choices: ▁▁▁▁▁▁▁▁return▁"Invalid▁choice" ▁▁▁▁ ▁▁▁▁print(f"Computer▁chose:▁{computer_choice}") ▁▁▁▁ ▁▁▁▁if▁player_choice▁==▁computer_choice: ▁▁▁▁▁▁▁▁return▁"It's▁a▁tie!" ▁▁▁▁elif▁(player_choice▁==▁'rock'▁and▁computer_

Alicia▁has▁to▁buy▁some▁books▁for▁the▁new▁school▁year.▁She▁buys▁2▁math▁books,▁3▁art▁books,▁and▁6▁science▁books,▁for▁a▁total▁of▁$30.▁If▁both▁the▁math▁and▁science▁books▁cost▁$3▁each,▁what▁was▁the▁cost▁of▁each▁art▁book? model Let▁the▁cost▁of▁each▁art▁book▁be▁$▁x▁$.▁ Alicia▁bought: -▁2▁math▁books▁at▁$3▁each:▁$▁2▁\times▁3▁=▁6▁$▁dollars -▁3▁art▁books▁at▁$▁x▁$▁dollars▁each:▁$▁3x▁$▁dollars -▁6▁science▁books▁at▁$3▁each:▁$▁6▁\times▁3▁=▁18▁$▁dollars The▁total▁cost▁of▁all▁the▁books▁is▁given▁as▁$30.▁Therefore,▁we▁can▁set▁up▁the▁equation: \[▁6▁+▁3x▁+▁18▁=▁30