A question

Question

class A:
def __str__():
return "sololearn"

obj = A()
print("sololearn"==obj)

Why the output is False?

Answer 1

class A:
def __str__(self):
return 'sololearn'
a = A()
print(str(a)=='sololearn')

Answer 2

class A:
def __str__():
return "sololearn"

obj = A.__str__()
print("sololearn"==obj)