第 10 章 错误处理

try:
    # Something that might throw an exception
except ProtonException as e:
    # Handle Proton-specific problems here
except Exception as e:
    # Handle more general problems here
}

try:
    # Something that might throw an exception
except ProtonException as e:
    # Handle Proton-specific problems here
except Exception as e:
    # Handle more general problems here
}