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File "index.py", line 5 s = (x1 + x100) * n / 2) ^ SyntaxError: invalid syntax无效??
2018-04-14
源自:初识Python 3-4
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File "index.py", line 5 SyntaxError: Non-ASCII character '\xef' in file index.py on line 5, but no encoding declared; see http://python.org/dev/peps/pep-0263/ for details
这一句,又出了一个报错,之前的应该是括号的问题
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