<ruby id="bdb3f"></ruby>

    <p id="bdb3f"><cite id="bdb3f"></cite></p>

      <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
        <p id="bdb3f"><cite id="bdb3f"></cite></p>

          <pre id="bdb3f"></pre>
          <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

          <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
          <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

          <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                <ruby id="bdb3f"></ruby>

                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                # 模塊的__name__ 每個模塊都有一個名稱,在模塊中可以通過語句來找出模塊的名稱。這在一個場合特別有用——就如前面所提到的,當一個模塊被第一次輸入的時候,這個模塊的主塊將被運行。假如我們只想在程序本身被使用的時候運行主塊,而在它被別的模塊輸入的時候不運行主塊,我們該怎么做呢?這可以通過模塊的__name__屬性完成。 ``` #!/usr/bin/python # Filename: using_name.py if __name__ == '__main__': ????print 'This program is being run by itself' else: ????print 'I am being imported from another module' ``` (源文件:[code/using_name.py](code/using_name.py)) ## 輸出 ``` $ python using_name.py This program is being run by itself $ python >>> import using_name I am being imported from another module >>> ``` ## 它如何工作 每個Python模塊都有它的`__name__`,如果它是`'__main__'`,這說明這個模塊被用戶單獨運行,我們可以進行相應的恰當操作。
                  <ruby id="bdb3f"></ruby>

                  <p id="bdb3f"><cite id="bdb3f"></cite></p>

                    <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
                      <p id="bdb3f"><cite id="bdb3f"></cite></p>

                        <pre id="bdb3f"></pre>
                        <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>

                        <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
                        <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>

                        <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>

                              <ruby id="bdb3f"></ruby>

                              哎呀哎呀视频在线观看