indexError超出范围，但不应存在

my_list = [10, 20, 30, 40, 50]

index = 5
if index < len(my_list):
    print(my_list[index])
else:
    print("Index out of range")

my_list = [10, 20, 30, 40, 50]

try:
    index = 5
    print(my_list[index])
except IndexError:
    print("Index out of range")

def get_element_at_index(sequence, index):
    if not sequence:
        raise ValueError("Sequence is empty")
    if index < 0 or index >= len(sequence):
        raise IndexError("Index out of range")
    return sequence[index]

my_list = [10, 20, 30, 40, 50]
try:
    print(get_element_at_index(my_list, 5))
except (IndexError, ValueError) as e:
    print(e)