Code Completion 4 Challenges

Complete the Python Class and Static Methods Code

Practice creating class methods, static methods, and subclass-aware class methods.

~8 min read

Add a class method that creates an instance from a name in uppercase.

python Your answer

class User:
    def __init__(self, name):
        self.name = name

    

user = User.from_name("mina")
print(user.name)

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Make is_valid a static method that returns True only for positive integers.

python Your answer

class Order:
    

print(Order.is_valid(5))
print(Order.is_valid(0))

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Add a class method that constructs the class that calls it, preserving subclass behavior.

python Your answer

class Message:
    def __init__(self, text):
        self.text = text

    

class Alert(Message):
    pass

message = Alert.create("Warning")
print(type(message).__name__)

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Declare format_code as a static method because it needs no instance or class state.

python Your answer

class Formatter:
    

print(Formatter.format_code(7))

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