Witryna28 sie 2024 · data是写在try里面的,但是文件不存在,所以赋值data这段代码压根没有执行,所以跳转到了except下的代码,但是运行print (file_name+' does not exist')完后没有停止程序(用exit ()或quit ()),接着运行了下面的程序,但是上面data压根没有被定义,所以下面报错了,建议在 ... Witryna15 sie 2024 · min() and max() are functions provided as Python built-ins. You can use them on any iterable, which includes Pandas series, which is why what you're doing …
python - NameError: Name
Witryna4 maj 2024 · The result is that IDLE tracebacks nearly always equal REPL tracebacks. Second, for Shell code, IDLE add cached code lines. Compare >>> a = b Traceback (most recent call last): File "", line 1, in NameError: name 'b' is not defined to >>> a = b Traceback (most recent call last): File "", line 1, in … WitrynaTimer is in the timeit module, not time. And to call it like you want to, you would have to from timeit import Timer, not just import timeit. If you just declare import timeit, then … sost 672
Python Error: name
Witryna1. Even though you're calling the function from a scope where writer exists, the callee cannot see it, that's just how python's scoping rules work. I'd recommend having your … Witryna6 lip 2024 · To understand what exactly iterators mean, you have to understand the following points: In Python, an iterator is an object which implements the iterator protocol, which means it consists of the methods such as __iter__ () and __next__ (). An iterator is an iterable object with a state so it remembers where it is during iteration. Witryna11 mar 2015 · 1 Answer. num is not actually used in multiply () so there is no reason to pass it in. Instead, declare multiply () without the argument: def multiply (): ''' (num1 * … sossystems.com