[Overview of Artificial Intelligence] Python’s wonderful use of __str__()

[Overview of Artificial Intelligence] Python’s wonderful use of str ()

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1.Python built-in functions__str__()

• Related content in the object can be printed by customizing the __str__() function.

class Person(object):
    def __init__(self, name = 'tom', age = 10):
        self.name = name
        self.age = age
        self.parent = None
    
    def __str__(self):
        return "Your name is: " + self.name
    
tom = Person()
print(tom)
 
# 唔，果然输出了我们自定义的内容
# >>> Your name is: tom