如何仅调用 python 中 class 的第二个值,同时将第一个值保持为默认值?

How to call only the second value of a class in python, while keeping the first value as default?

在变量 y 中,我只想调用第二个值,即 age,同时将第一个值 (height) 保留为默认值。我该怎么做?

class person():
    def __init__(self, height=130, age=20):
        self.height = height
        self.age = age

    def convert_height(self):
        return self.height / 10

    def find_birth_year(self, p_year):
        return p_year - self.age


x = person(170)
y = person(, 32) # How to have default value for height here?

print(x.height, x.age)
print(y.height, y.age)
print(x.convert_height(), x.find_birth_year(2020))
print(y.convert_height(), y.find_birth_year(2020))

您可以使用 keyword 参数:使用其名称及其在方法中的位置

class person():
    def __init__(self, height=130, age=20):
        self.height = height
        self.age = age
    
if __name__ == '__main__':
    x = person(170)
    y = person(age=32)

这里是some more

使用关键字参数:

y = person(age=32)