input: Write a function to create a Python class named `Person` with the given attributes and functions. The attributes should include `name` (string), `age` (integer), and `email` (string). The class should also include a `toString()` function that returns a string with the formatted attributes.
  
  
  class Person:
  
      def __init__(self, name, age, email):
          self.name = name
          self.age = age
          self.email = email
  
      def toString(self):
          return f"Name: {self.name}, Age: {self.age}, Email: {self.email}"
  
  
  assert Person("John Doe", 30, "john.doe@example.com").toString()=="Name: John Doe, Age: 30, Email: john.doe@example.com"
  assert Person("Jane Smith", 25, "jane.smith@example.com").toString()=="Name: Jane Smith, Age: 25, Email: jane.smith@example.com"
  assert Person("Bob Johnson", 40, "bob.johnson@example.com").toString()=="Name: Bob Johnson, Age: 40, Email: bob.johnson@example.com"
output: class Person:
  
      def __init__(self, name, age, email):
          self.name = name
          self.age = age
          self.email = email
  
      def toString(self):
          return f"Name: {self.name}, Age: {self.age}, Email: {self.email}"