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
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
Problem 1PE
Related questions
Question
10.23 LAB: Instrument information (derived classes)
Given the base class Instrument, define a derived class StringInstrument for string instruments.
Use Python for this.
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
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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