一站式网上办事大厅

class Course:

def __init__(self, name, time, location):

self.name = name

self.time = time

self.location = location

def display(self):

print(f"{self.name}: {self.time} - {self.location}")

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class KnowledgeBase:

def __init__(self):

self.courses = []

def add_course(self, course):

self.courses.append(course)

def query_course(self, keyword):

results = [course for course in self.courses if keyword in course.name]

return results

def show_all_courses(self):

for course in self.courses:

course.display()

]]