class Course:

    def __init__(self, name, duration, link):
        self.name = name
        self.duration = duration
        self.link = link


    def __str__(self):
        return f"{self.name} [{self.duration} horas] ({self.link})"


# Gracias a esta funcion podremos mostrar el contenido de los cursos 
# en una lista.
    def __repr__(self):
        return f"{self.name} [{self.duration} horas] ({self.link})"

courses = [
    Course("Introduccion a Linux", 15, "https://hack4u.io/cursos/intruduccion-a-linux/"),
    Course("Personalizacion de Linux", 3, "https://hack4u.io/cursos/personalizacion-de-entorno-en-linux/" ),
    Course("Introduccion al Hacking", 55, "https://hack4u.io/cursos/introduccion-al-hacking")
]

def list_courses():
    for course in courses:
        print(course)


def search_course_by_name(name):
    for course in courses:
        if course.name == name:
            return course

    return None


