def load(self, path: str):
try:
with open(path, 'r', encoding='utf-8') as f:
print("reading...")
reader = csv.reader(f)
self.courses = []
for row in reader:
print(row)
course = Course()
course.from_list(row)
self.courses.append(course)
print("done reading")
except FileNotFoundError:
print(f"< 找不到文件：\"{path}\" >")
