Answers for "python __repr__"

__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 info

python __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)+ ')'

__repr__ in python

def __repr__(self) -> str:
        return

python __repr__ meaning

>>>x=4
>>>repr(x)
'4'
>>>str(x)
'4'
>>>y='stringy'
>>>repr(y)
"'stringy'"
>>>str(y)
'stringy'

python repr

# The repr() function returns a printable representational string of the given object.
>>> var = 'foo'
>>> print(repr(var))
"'foo'"

python __repr__

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)'