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                語法錯誤,也被稱作解析錯誤,也許是你學習 Python 過程中最常見抱怨: ~~~ >>> while True print('Hello world') File "", line 1, in ? while True print('Hello world') ^ SyntaxError: invalid syntax ~~~ 語法分析器指出錯誤行,并且在檢測到錯誤的位置前面顯示一個小“箭頭”。 錯誤是由箭頭?_前面_?的標記引起的(或者至少是這么檢測的): 這個例子中,函數?print()?被發現存在錯誤,因為它前面少了一個冒號(?':'?)。 錯誤會輸出文件名和行號,所以如果是從腳本輸入的你就知道去哪里檢查錯誤了。
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