相关疑难解决方法(0)

如何设置/获取t给定的属性值x.

class Test:
   def __init__(self):
       self.attr1 = 1
       self.attr2 = 2

t = Test()
x = "attr1"

如何引用this_prize.left或this_prize.right使用变量？

from collections import namedtuple
import random 

Prize = namedtuple("Prize", ["left", "right"]) 
this_prize = Prize("FirstPrize", "SecondPrize")

if random.random() > .5:
    choice = "left"
else:
    choice = "right"

# retrieve the value of "left" or "right" depending on the choice
print("You won", this_prize.choice)

AttributeError: 'Prize' object has no attribute 'choice'

假设我创建了一个类的实例,并希望为其公共属性分配一些值.通常,这将是这样做的:

class MyClass:
    def __init__(self):
        self.name = None
        self.text = None

myclass = MyClass()
myclass.name = 'My name'

但是,如果编写一个将类作为参数的函数,并且我想动态地为该类的公共属性分配一些值 - 即通过变量和循环(不知道它们有多少或它们被调用). )

显而易见的是:

myclass = MyClass()
myclass['name'] = "My name"

但这不起作用.

有任何想法吗？