划分/组织元组列表

students = [
    ("Alice", 85),
    ("Bob", 92),
    ("Charlie", 78),
    ("David", 88)
]

high_score = []
medium_score = []
low_score = []

for student in students:
    if student[1] >= 90:
        high_score.append(student)
    elif student[1] >= 80:
        medium_score.append(student)
    else:
        low_score.append(student)

print("High Score:", high_score)
print("Medium Score:", medium_score)
print("Low Score:", low_score)

sorted_students = sorted(students, key=lambda x: x[1], reverse=True)
print("Sorted Students:", sorted_students)

if not students:
    print("The list is empty.")
else:
    # 进行划分和组织操作

students = [
    ("Alice", 85),
    ("Bob", "92"),  # 这里应该是整数类型
    ("Charlie", 78),
    ("David", 88)
]

students = [
    ("Alice", 85),
    ("Bob", int("92")),  # 转换为整数类型
    ("Charlie", 78),
    ("David", 88)
]