使用拆分和while循环和外部文本文件的python中的错误

def read_file(file_path):
    try:
        with open(file_path, 'r', encoding='utf-8') as file:
            line_number = 0
            while True:
                line = file.readline()
                if not line:
                    break
                line_number += 1
                parts = line.strip().split(',')
                print(f"Line {line_number}: {parts}")
    except FileNotFoundError:
        print(f"Error: The file at {file_path} was not found.")
    except PermissionError:
        print(f"Error: Permission denied to read the file at {file_path}.")
    except UnicodeDecodeError:
        print(f"Error: Unable to decode the file at {file_path} with 'utf-8' encoding.")
    except IOError as e:
        print(f"Error: An I/O error occurred: {e}")

# 示例调用
read_file('example.txt')