IndexError:从文本文件创建两个列表

def read_file_to_lists(file_path):
    list1 = []
    list2 = []
    try:
        with open(file_path, 'r', encoding='utf-8') as file:
            for line in file:
                parts = line.strip().split(',')
                if len(parts) < 2:
                    print(f"Skipping line due to insufficient fields: {line}")
                    continue
                try:
                    value1 = int(parts[0])
                    value2 = float(parts[1])
                    list1.append(value1)
                    list2.append(value2)
                except ValueError as e:
                    print(f"Skipping line due to invalid data: {line}. Error: {e}")
    except FileNotFoundError:
        print(f"File not found: {file_path}")
    except Exception as e:
        print(f"An error occurred: {e}")
    return list1, list2

# 示例文件内容：
# 1,2.5
# 3,4.0
# 5,abc

list1, list2 = read_file_to_lists('example.txt')
print("List 1:", list1)
print("List 2:", list2)