__repr__ or __str__
very briefly
- The default implementation is useless (it’s hard to think of one which wouldn’t be, but yeah)
- __repr__ goal is to be unambiguous
- __str__ goal is to be readable
- Container’s __str__ uses contained objects’ __repr__
see source for more infopython __repr__
class Person:
name = ""
age = 0
def __init__(self, personName, personAge):
self.name = personName
self.age = personAge
def __repr__(self):
return {'name':self.name, 'age':self.age}
def __str__(self):
return 'Person(name='+self.name+', age='+str(self.age)+ ')'python repr vs str
import datetime
now = datetime.datetime.now()
now.__str__()
#>>> '2020-12-27 22:28:00.324317'
now.__repr__()
#>>> 'datetime.datetime(2020, 12, 27, 22, 28, 0, 324317)'Copyright © 2021 Codeinu
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