split(',')) print("Getting rid of unnecessary splits with regex:") print("Splitted string: ",re.split(',+',text)) #‘,+’ is the regular expression for one or more commas (separators) Output: Unnecessary Splits: [‘This’, ”, ‘is’, ”, ‘a’, ”, ‘comma’, ‘separated...
print(re.sub(re.compile('\D+'), '#', mobile)) split:切割 re.split(pattern, string, maxsplit=0, flags=0) str = '1998-09-10' print(re.split(re.compile(r'-'), str)) #['1998', '09', '10'] pattern = re.compile(r'\s+') split_result = pattern.split('This is a sentenc...
import re from ebooklib import epub from markdown import markdown css_content = ''' /* === */ /* 段落通用设置 */ /* === */ p { font-size: 1rem; text-indent: 2em; /* 保留首行缩进 */ margin-bottom: 1.25rem; /* 用下边距分隔段落 */ text-align: justify; } /* === */ ...
txt_mid=data.split('...')for i inrange(len(txt_mid)): txt_mid[i]=txt_mid[i].split(',,,')#上面是对文本进行切片,下面进行相关处理 txt='' for i intxt_mid: txt=txt+out_comma(i,set[0],set[1])for i in range(set[2]):for j intxt_mid:for k inj: txt=txt+k#import pyper...
由于python3.x系列不再有 raw_input函数,3.x中 input 和从前的 raw_input 等效,把raw_input换成input即可。 SyntaxError: multiple statements found while compiling a single statement 这是因为整体复制过去运行而产生的错误;解决方案如下: 方法一:先将第一行复制,敲一下回车,再将剩下的部分复制过去,运行; ...
ranko = jcr_category_table.find("td", class_="JCR_rank").text.strip() rank=ranko.replace(" of ", "/") category = jcr_category_table.find("td", class_="JCR_rank").find_parent("tr").find("td").text.strip() topic=driver.find_element_by_css_selector("#records_form > div >...
("CSV → SQLite","csv2sqlite")]fortext,valueinconversion_types:rb=ttk.Radiobutton(type_frame,text=text,variable=self.conversion_type,value=value,command=self.update_ui)rb.pack(anchor=tk.W,pady=2)# 源文件设置source_frame=ttk.LabelFrame(control_frame,text="源文件设置",padding=10)source_...
D=np.array_split(A, 3,axis=0) #将A矩阵纵向三个不等分分割 1.4 数组索引、切片和迭代 索引 1)一维 2)二维 • print(A[2][1]) #第一行第一列 • print(A[2,1]) #第一行第一列 • print(A[2, : ]) #第二行所有 • print(A[2, 1: 2]) ...
3.2 Strings: Text Processing at the Lowest Level字符串:最底层的文本处理 PS:个人认为这部分很重要,字符串处理是NLP里最基本的部分,各位童鞋好好看,老鸟略过... It’s time to study a fundamental data type that we’ve been studiously(故意地)avoiding so far. In earlier chapters we focused on a ...
Black will add trailing commas to expressions that are split by comma where each element is on its own line. This includes function signatures. Unnecessary trailing commas are removed if an expression fits in one line. This makes it 1% more likely that your line won't exceed the allotted lin...