if x or y vs x or y

sketchy_bools_vs_or_vs_if.py

def generate(): 
    class SketchyBool: 
        counter = 0
        
        def __init__(self): 
            self.boolcounts = [] 
        
        def __bool__(self): 
            self.boolcounts.append(SketchyBool.counter) 
            SketchyBool.counter += 1 
            return True 
        
        def __str__(self): 
            return str(self.boolcounts) 
             
    return SketchyBool(), SketchyBool() 
 
x,y = generate() 
z = x or y 
if z: 
    pass 
print(x, y)  # [0, 1] []
 
x,y = generate() 
if x or y: 
    pass 
print(x, y)  # [0] []