python_setattr_learning
2022/1/17 1:33:31
本文主要是介绍python_setattr_learning,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
# author: Roy.G a="self,name,color,age,food" b=a.split(",") # 以, 分开字符串 for i in b: print("self."+i+"="+i) class animal(object): def __init__(self,name,color,age,food): self.name = name self.color = color self.age = age self.food = food def walk(self): print("%s walk."%self.name) def eat(self): print("%s eating"%self.name) dog=animal("dog","green",10,"meat") dog.walk() print(hasattr(dog,"walk")) #determine dog if has walk choice=input(":>>") if hasattr(dog,choice): getattr(dog,choice)() #brackets means invoking the function if not hasattr(dog,choice): print("wrong choice") # setattr(dog,choice,eat) # eat have no brackets ,don't invoke the eat # getattr(dog,choice)(dog) setattr(dog,choice,38) print(getattr(dog,choice)) # if seattr is not a def ,it becomes a attribue. print("happy is",dog.happy) delattr(dog,"happy") print(dog.happy)
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