while counter < hangshu:text = df.comments.iloc[counter]from snownlp import SnowNLPs = SnowNLP(str(text))df.sen.iloc[counter]=s.sentimentscounter += 1毕业论文要做情感分析,要用到python,之前试过jieba,也是一样的问题,百度好久也不知道哪里出了问题,求助大佬指点 这真的不可以 童生 2 帮帮孩子吧...
while counter < hangshu:text = df.comments.iloc[counter]from snownlp import SnowNLPs = SnowNLP(str(text))df.sen.iloc[counter]=s.sentimentscounter += 1毕业论文要做情感分析,要用到python,之前试过jieba,也是一样的问题,百度好久也不知道哪里出了问题,求助大佬指点 这真的不可以 数组 2 这真的不可...
How do you use while in Python? A while loop is used to repeatedly execute the indented block of code as long as the True-False condition following the word 'while' evaluates to True. It is ideal for situations where the total number of iterations necessary cannot be defined beforehand, su...
您好，1）忘记在 if , elif , else , for , while , class ,def 声明末尾添加 ：（导致 “SyntaxError ：invalid syntax”）该错误将发生在类似如下代码中：if spam == 42 print('Hello!')2)使用 = 而不是 ==（导致“SyntaxError: invalid syntax”）= 是赋值操作符而 == 是等于比较操作。
该错误发生在如下代码中：1class = 'algebra'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...
Python Download – How To Install Python [Easy Steps] Python Version History What is Python Programming Language? Advantages and Disadvantages of Python Python Data Types Python Arrays – The Complete Guide Strings in Python Python Numbers – Learn How to Create Prime Numbers, Perfect Numbers, and...
Comments in Python: A comment starts with the # symbol and continues until the end of the line. Comments are ignored by the Python interpreter and are not part of the program's output. Python does not have multi-line comment syntax like some other languages. If multiple lines are required...
块作用域一般用于控制流,比如 if,while 和 for 循环。但是拥有块作用域的语言一般都会允许使用“裸露”的块,这样就可以在块中定义辅助变量并使用,在块终结时销毁。 块可以用来隐藏名字绑定。如果在块的外面定义了 n,在块的里面也可以定义名叫 n 的变量,它会遮盖外面的 n。但是这样的风格一般被认为是不好的,因...
您好，其实都可以用的，这里显示 invalid syntax 是因为您的语法出错了；因为您才开始学习python，就简单讲一下：while 和 for 等并不是方法（function），而是判断条件（condition)；因此，当您仅仅写了 while True 时，并没有写执行的具体内容，因此会报错 ...
In all of the following examples, I have the cursor at the beginning of the first line and push Ctrl+Enter. For example, the following causes an error: print( "hello" ) Error message: File "<ipython-input-8-5d8744617373>", line 2 "hello" ^ SyntaxError: unexpected EOF while parsing ...