from abc import ABC, abstractmethod


class UnivariateFunction(ABC):
    """
    Class that defines a generic (abstract) univariate function.
    """

    def __init(self):
        super().__init__()

    @abstractmethod
    def eval(self, v):
        pass
    
    @property
    @abstractmethod
    def domain_start(self):
        pass

    @property
    @abstractmethod
    def domain_end(self):
        pass

from abc import ABC, abstractmethod


class UnivariateFunction(ABC):
    """
    Class that defines a generic (abstract) univariate function.
    """

    def __init(self):
        super().__init__()

    @abstractmethod
    def eval(self, v):
        """
        Evaluate the univariate function with input v, and return that value
        :param v: Typically some kind of numeric.
        :return:
        """
        pass
    
    @property
    @abstractmethod
    def domain_start(self):
        """
        Return the start value of the domain.
        :return:
        """
        pass

    @property
    @abstractmethod
    def domain_end(self):
        """
        Return the end value of the domain.
        :return:
        """
        pass

Add comments to abstract methods.
Add comments to abstract methods.

  from abc import ABC, abstractmethod
  
  
  class UnivariateFunction(ABC):
      """
      Class that defines a generic (abstract) univariate function.
      """
  
      def __init(self):
          super().__init__()
  
      @abstractmethod
      def eval(self, v):
+         """
+         Evaluate the univariate function with input v, and return that value
+         :param v: Typically some kind of numeric.
+         :return:
+         """
          pass
      
      @property
      @abstractmethod
      def domain_start(self):
+         """
+         Return the start value of the domain.
+         :return:
+         """
          pass
  
      @property
      @abstractmethod
      def domain_end(self):
+         """
+         Return the end value of the domain.
+         :return:
+         """
          pass
  
Add comments to abstract methods.
## Code Before:
from abc import ABC, abstractmethod


class UnivariateFunction(ABC):
    """
    Class that defines a generic (abstract) univariate function.
    """

    def __init(self):
        super().__init__()

    @abstractmethod
    def eval(self, v):
        pass
    
    @property
    @abstractmethod
    def domain_start(self):
        pass

    @property
    @abstractmethod
    def domain_end(self):
        pass

## Instruction:
Add comments to abstract methods.
## Code After:
from abc import ABC, abstractmethod


class UnivariateFunction(ABC):
    """
    Class that defines a generic (abstract) univariate function.
    """

    def __init(self):
        super().__init__()

    @abstractmethod
    def eval(self, v):
        """
        Evaluate the univariate function with input v, and return that value
        :param v: Typically some kind of numeric.
        :return:
        """
        pass
    
    @property
    @abstractmethod
    def domain_start(self):
        """
        Return the start value of the domain.
        :return:
        """
        pass

    @property
    @abstractmethod
    def domain_end(self):
        """
        Return the end value of the domain.
        :return:
        """
        pass
