Gxlsystem TIY Editor
Gxlsystem 在线教程
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python_try_except_5.py:
#The try block will raise an error when trying to write to a read-only file: try: f = open("demofile.txt") f.write("Lorum Ipsum") except: print("Something went wrong when writing to the file") finally: f.close() #The program can continue, without leaving the file object open