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Sometimes it is useful to have a data type similar to the Pascal "record" or C
"struct", bundling together a few named data items. An empty class definition
will do nicely::
"struct", bundling together a few named data items. The idiomatic approach
is to use :mod:`dataclasses` for this purpose::
class Employee:
pass
from dataclasses import dataclasses
john = Employee() # Create an empty employee record
@dataclass
class Employee:
name: str
dept: str
salary: int
# Fill the fields of the record
john.name = 'John Doe'
john.dept = 'computer lab'
john.salary = 1000
::
>>> john = Employee('john', 'computer lab', 1000)
>>> john.dept
'computer lab'
>>> john.salary
1000
A piece of Python code that expects a particular abstract data type can often be
passed a class that emulates the methods of that data type instead. For
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[3.10] gh-99908: Tutorial: Modernize the 'data-record class' example (GH-100499) #100500
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[3.10] gh-99908: Tutorial: Modernize the 'data-record class' example (GH-100499) #100500
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