finally块:无论是否发生异常,finally块中的代码都会执行,通常用于执行清理操作,如关闭文件或释放资源。 2. 'expected 'except' or 'finally' block'这个错误信息的含义 这个错误信息表明在Python代码中,try语句后面没有正确地跟随except或finally块。在Python中,try块必须总是被except块、finally块或两者共同跟随,以完...
目前python里出现频率最高的错误有以下几种: ':'缺少:SyntaxError: expected ':' ','缺少:SyntaxError: invalid syntax. Perhaps you forgot a comma? 字典缺失值:SyntaxError: ':' expected after dictionary key try没有块except或finally块: SyntaxError: expected 'except' or 'finally' block 在比较中使用=...
目前python里出现频率最高的错误有以下几种: ':'缺少:SyntaxError: expected ':' ','缺少:SyntaxError: invalid syntax. Perhaps you forgot a comma? 字典缺失值:SyntaxError: ':' expected after dictionary key try没有块except或finally块: SyntaxError: expected 'except' or 'finally' block 在比较中使用=...
try少了except或者finally >>> try ... x = 2 ... something = 3 File "<stdin>", line 3 something = 3 ^^^ SyntaxError: expected 'except' or 'finally' block 1. 2. 3. 4. 5. 6. 7. 比较的时候用了=,而不是==。这个太赞了! >>> if rocket.position = event_horizon: File "<std...
try没有块except或finally块: SyntaxError: expected ‘except’ or ‘finally’ block 在比较中使用=代替==: SyntaxError: cannot assign to attribute here. Maybe you meant ‘==’ instead of ‘=’? 这些日常常见的粗心错误,python直接给你提示并解释出来了,就差动手帮你改了 ...
x = 2 ... something = 3 File "<stdin>", line 3 something = 3 ^^^ SyntaxError: expected 'except' or 'finally' block (由 Pablo Galindo 在 bpo-44305 中贡献。) 在比较中使用 = 而不是 ==: >>> >>> if rocket.position = event_horizon: File "<stdin>", line 1 if rocket.positio...
In this example, thetryblock does not generate any error: try: print("Hello") except: print("Something went wrong") else: print("Nothing went wrong") Try it Yourself » Finally Thefinallyblock, if specified, will be executed regardless if the try block raises an error or not. ...
Python3的关键字有:and, as, assert, break, class, continue, def, del, elif,else, except, False, finally, for, from, global, if, import, in, is, lambda,None, nonlocal, not, or, pass, raise, return, True, try, while, with, yield ...
Python3的关键字有:and, as, assert, break, class, continue, def, del, elif,else, except, False, finally, for, from, global, if, import, in, is, lambda,None, nonlocal, not, or, pass, raise, return, True, try, while, with, yield ...
IndentationError: expected an indented block #缩进错误,没有正确的对齐,例如IF语句:后面没有使用缩进 IndentationError: unexpected indent #同一个代码块中的每行代码都必须保持一致的缩进量 IndentationError: unindent does not match any outer indentation level #没有可以匹配的外部无缩进级别。例如代码块结束之后...