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15 16 class stringInstrument (Instrument): 17 # TODO: Define constructor with attributes: name, manufacturer, year_built, cost, num_strings, num_frets 18 19 20 name instrument_name = input() manufacturer_name = input () year_built = int(input()) cost = int(input()) string_instrument_name = input() string_manufacturer = input() string_year_built = int(input()) string cost = int(input()) num_strings - int(input()) num_frets = int(input()) 21 if _main_": 22 23 24 25 26 27 28 29 зе 31 32 33 34 my_instrument = Instrument(instrument_name, manufacturer_name, year_built, cost) my_string_instrument = StringInstrument(string_instrument_name, strīng_manufacturer, string_year_built, string_co 35 my_instrument.print_info() my_string_instrument.print_info() 36 37 38 39 print(' print(" Number of strings:', my_string_instrument.num_strings) Number of frets:', my_string_instrument.num_frets) 40

15 16 class stringInstrument (Instrument): 17 # TODO: Define constructor with attributes: name, manufacturer, year_built, cost, num_strings, num_frets 18 19 20 name instrument_name = input() manufacturer_name = input () year_built = int(input()) cost = int(input()) string_instrument_name = input() string_manufacturer = input() string_year_built = int(input()) string cost = int(input()) num_strings - int(input()) num_frets = int(input()) 21 if _main_": 22 23 24 25 26 27 28 29 зе 31 32 33 34 my_instrument = Instrument(instrument_name, manufacturer_name, year_built, cost) my_string_instrument = StringInstrument(string_instrument_name, strīng_manufacturer, string_year_built, string_co 35 my_instrument.print_info() my_string_instrument.print_info() 36 37 38 39 print(' print(" Number of strings:', my_string_instrument.num_strings) Number of frets:', my_string_instrument.num_frets) 40

Database System Concepts
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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10.23 LAB: Instrument information (derived classes)

 

Given the base class Instrument, define a derived class StringInstrument for string instruments.

Use Python for this.

10.23.1: LAB: Instrument information (derived classes) 0/ 10 АCTIVITY main.py Load default template. 1 class Instrument: def _init_(self, name, manufacturer, year_built, cost): self.name = name self.manufacturer = manufacturer 2 3 4 self.year_built = year_built self.cost = cost 7 def print_info(self): print('Instrument Information:') print(' print(' Manufacturer:', self.manufacturer) print(' print(' 8 10 Name:', self.name) 11 Year built:', self.year_built) Cost:', self.cost) 12 13 14 15 16 class StringInstrument(Instrument): 17 # TODO: Define constructor with attributes: name, manufacturer, year_built, cost, num_strings, num frets 18 23 19 20 21 if -_name_== instrument_name - input() manufacturer_name = input () year_built = int(input()) cost - int(input ()) string_instrument_name = input() string_manufacturer = input() string_year_built = int(input()) string cost = int(input())" num_strings = int(input()) num_frets = int(input()) _main_": 22 23 24 25 26 27 28 29 зе 31 32 my_instrument = Instrument(instrument_name, manufacturer_name, year_built, cost) my_string_instrument = stringInstrument(string_instrument_name, string_manufacturer, string_year_built, string_co 33 34 35 my_instrument.print_info() my_string_instrument.print_info() 36 37 38 print(' print( Number of strings:', my_string_instrument.num_strings) Number of frets:', my_string_instrument.num_frets) 39 40
Transcribed Image Text:10.23.1: LAB: Instrument information (derived classes) 0/ 10 АCTIVITY main.py Load default template. 1 class Instrument: def _init_(self, name, manufacturer, year_built, cost): self.name = name self.manufacturer = manufacturer 2 3 4 self.year_built = year_built self.cost = cost 7 def print_info(self): print('Instrument Information:') print(' print(' Manufacturer:', self.manufacturer) print(' print(' 8 10 Name:', self.name) 11 Year built:', self.year_built) Cost:', self.cost) 12 13 14 15 16 class StringInstrument(Instrument): 17 # TODO: Define constructor with attributes: name, manufacturer, year_built, cost, num_strings, num frets 18 23 19 20 21 if -_name_== instrument_name - input() manufacturer_name = input () year_built = int(input()) cost - int(input ()) string_instrument_name = input() string_manufacturer = input() string_year_built = int(input()) string cost = int(input())" num_strings = int(input()) num_frets = int(input()) _main_": 22 23 24 25 26 27 28 29 зе 31 32 my_instrument = Instrument(instrument_name, manufacturer_name, year_built, cost) my_string_instrument = stringInstrument(string_instrument_name, string_manufacturer, string_year_built, string_co 33 34 35 my_instrument.print_info() my_string_instrument.print_info() 36 37 38 print(' print( Number of strings:', my_string_instrument.num_strings) Number of frets:', my_string_instrument.num_frets) 39 40
Ex: If the input is: Drums Zildjian 2015 2500 Guitar Gibson 2002 1200 19 the output is: Instrument Information: Name: Drums Manufacturer: Zildjian Year built: 2015 Cost: 2500 Instrument Information: Name: Guitar Manufacturer: Gibson Year built: 2002 Cost: 1200 Number of strings: 6 Number of frets: 19 3446142153518.qxazay7
Transcribed Image Text:Ex: If the input is: Drums Zildjian 2015 2500 Guitar Gibson 2002 1200 19 the output is: Instrument Information: Name: Drums Manufacturer: Zildjian Year built: 2015 Cost: 2500 Instrument Information: Name: Guitar Manufacturer: Gibson Year built: 2002 Cost: 1200 Number of strings: 6 Number of frets: 19 3446142153518.qxazay7
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