input: 
  class Student:
      def __init__(self, name, age, gender):
          self.name = name
          self.age = age
          self.gender = gender
  
  # Example usage:
  # student1 = Student("John Doe", 20, "Male")
  # print(student1.name)  # Output: John Doe
  
output:     
      def __str__(self):
          return f"Name: {self.name}, Age: {self.age}, Gender: {self.gender}"
  