def main():
p1 = Person('felix', "男", (1994, 11, 15), '14434216')
p2 = Person('刘笑', "男", (1993, 4, 5), '14434213')
p3 = Person('小明', "男", (1994, 5, 15), '14434234')
p4 = Person('刘红', "女", (1993, 1, 5), '14434201')
plist = [p1, p2, p3, p4]
for p in plist:
print(p)
#按照编号对人员进行排序
plist.sort()
for p in plist:
print(p.details())
print('People created:', Person.num(), '\n')
p5 = Staff("张", "女", (1974, 10, 16))
print(p5)
p5.set_department("数学")
p5.set_position("副教授")
p5.set_salary(30000)
print(p5.details())
p6 = Student("gg", "女", (1994, 11, 15), "计算机")
print(p6)
print(p6._enroll_date)
p6.set_course("微积分")
print(p6._courses)
p6.set_course("c")
print(p6._courses)
p6.set_score("c", 66)
print(p6.score())
print(p6.details())
