•        Python : 3.7.0
•          OS : Ubuntu 18.04.1 LTS
  
•         IDE : PyCharm 2018.2.4
•       Conda : 4.5.11
•    typesetting : Markdown

 

code

"""
@Author : 行初心
@Date   : 18-9-23
@Blog   : www.cnblogs.com/xingchuxin
@Gitee  : gitee.com/zhichengjiu
"""


def main():
    # 几个异常采取同样的处理方法,即except后面跟随多个异常类型
    try:
        sum1 = 1 + '1'  # 数据类型错误
        file = open('不存在的文件.txt')
        file.close()
    except (OSError, TypeError) as reason:
        print('错误的原因是:', str(reason))

    print()

    try:
        # sum1=1+'1' #数据类型错误
        file = open('不存在的文件.txt')
        file.close()
    except (OSError, TypeError) as reason:
        print('错误的原因是:', str(reason))


if __name__ == '__main__':
    main()

 

result

/home/coder/anaconda3/envs/py37/bin/python /home/coder/PycharmProjects/StrTest/demo.py
错误的原因是: unsupported operand type(s) for +: 'int' and 'str'

错误的原因是: [Errno 2] No such file or directory: '不存在的文件.txt'

Process finished with exit code 0

 

resource

• [文档] docs.python.org/3
• [规范] www.python.org/dev/peps/pep-0008
• [规范] zh-google-styleguide.readthedocs.io/en/latest/google-python-styleguide/python_language_rules
• [源码] www.python.org/downloads/source
• [ PEP ] www.python.org/dev/peps
• [平台] www.cnblogs.com
• [平台] gitee.com

 

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Python具有开源、跨平台、解释型、交互式等特性，值得学习。
Python的设计哲学：优雅，明确，简单。提倡用一种方法，最好是只有一种方法来做一件事。
代码的书写要遵守规范，这样有助于沟通和理解。
每种语言都有独特的思想，初学者需要转变思维、踏实践行、坚持积累。