Booleans in Python

bools.py

class A:
  def __init__(self, x):
    self.x = x
  def __bool__(self):
    print(f'bool: {self}')
    return False
  def __str__(self):
    return f'A(x={self.x})'

print("Variant 1")
a = A(1) and A(2)
if a:
  print("True")

print("Variant 2")
if A(3) and A(4):
  print("True")

$ python3 bools.py 
Variant 1
bool: A(x=1)
bool: A(x=1)
Variant 2
bool: A(x=3)