回答編集履歴
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test
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@@ -115,3 +115,139 @@
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参考：
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[python でコマンド実行。サブプロセスの終了待ち・強制終了・親プロセスと一緒に殺す。 - それマグで！](http://takuya-1st.hatenablog.jp/entry/2016/04/11/044313)
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### 追記
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どうせpythonプログラムを呼ぶなら、スレッドという手もあります。引数や返り値を扱いたければメリットがあるかもしれません。
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**main.py**
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```python
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import time
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from threading import Thread
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import subb
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import subc
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thlst = []
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for count in range(3):
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print("Hello!")
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th = Thread(target=subb.main)
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th.start()
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thlst.append(th)
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print("A")
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time.sleep(3)
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th = Thread(target=subc.main)
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th.start()
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thlst.append(th)
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print("D")
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for th in thlst:
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th.join()
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```
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**subb.py**
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```python
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import time
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def main():
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#Call me?を出力
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print("Call me?")
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#5秒停止
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time.sleep(5)
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#Bを出力
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print("B")
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if __name__ == "__main__":
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main()
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```
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**subc.py**
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```python
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import time
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def main():
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#What happened?を出力
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print("What happened?")
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#5秒停止
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time.sleep(5)
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#Cを出力
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print("C")
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if __name__ == "__main__":
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main()
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```
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