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Python Basic Object-Oriented Python Welcome to OOP Adding to our Panda

Diana Victoria Villada
Diana Victoria Villada
9,543 Points
Posted by Diana Victoria Villada
Diana Victoria Villada
9,543 Points

I have responded this challenge question and get the desired result but when i run the answer i get name is not defined

Create a method called eat. It should only take self as an argument. Inside of the method, set the is_hungry attribute to False, since the Panda will no longer be hungry when it eats. Also, return a string that says 'Bao Bao eats bamboo.' where 'Bao Bao' is the name attribute and 'bamboo' is the food attribute.

panda.py 
class Panda:
    species = 'Ailuropoda melanoleuca'
    food = 'bamboo'

    def __init__(self, name, age):
        self.is_hungry = True
        self.name = name
        self.age = age

    def eat(self):
        print(f'{panda_one.name} eats {panda_one.food}')
        self.is_hungry = False


panda_one = Panda('Bao Bao', 10)
panda_one.eat()

2 Answers

Steven Parker
Steven Parker
231,268 Points
Steven Parker
Steven Parker
231,268 Points

You're close, here's a few hints:

  • a class method should not directly reference an instance by name, use "self" instead
  • make sure to return the string, you don't need to print anything
  • the string is missing the final punctuation
  • for the challenge, you only need to define the class — you won't need to create an instance
John Hill
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John Hill
Front End Web Development Techdegree Graduate 35,236 Points
John Hill
.a{fill-rule:evenodd;}techdegree seal-36
John Hill
Front End Web Development Techdegree Graduate 35,236 Points

Here's the code I got working. Had to remember to use self on everything and to format the f-string correctly. I didn't use the 'Bao Bao' name anywhere, but it still accepted it as correct.

It's cool to see how using self inside the eat() method can access both the class attribute .food and instance attribute .name.

class Panda:
    species = 'Ailuropoda melanoleuca'
    food = 'bamboo'

    def __init__(self, name, age):
        self.is_hungry = True
        self.name = name
        self.age = age

    def eat(self):
        self.is_hungry = False
        return f"{self.name} eats {self.food}."