class Course:

    def __init__(self, name, duration, link):
        self.name = name
        self.duration = duration
        self.link = link
    
    def __repr__(self):
        return f"{self.name} [{self.duration} horas] (){self.link})"

courses = [
        Course("Introduccion a linux", 15,"https://hack4u.io/cursos/introduccion-a-linux/"),
        Course("Personalizacion de linux", 3,"https://hack4u.io/cursos/personalizacion-de-entorno-en-linux/"),
        Course("Introduccion al hacking", 53,"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
     



