insert(index, string): 在指定位置插入文本。index是插入位置的索引,string是要插入的文本。 text.insert('end', 'Hello, world!') # 在文本末尾插入文本 delete(start, end): 删除指定范围内的文本。start和end分别是删除范围的起始和结束索引。 text.delete('1.0', 'end
点击多选框后执行 text.delete(index1, index2),删除文本内容,防止内容重复 调节(index1, index2)来确定删除的内容 这里就直接用我一篇文章中的多选框的内容来解释,下面 text.delete(1.0,tkinter.END) 进行测试 import tkinter win = () #创建主窗口 win.title("小姐姐") #设置窗口标题 win.geometry("160x2...
Example 1: Delete Empty Strings in a List Using List ComprehensionOne way to remove empty strings from a list is using list comprehension. Here’s an example:# Remove empty strings using list comprehension my_list = [element for element in my_list if element != ''] # Print the updated ...
font=("Arial", 20))text.pack(padx=10, pady=10)root.mainloop()使用多行文本框显示文字要在多行文本框显示文字，可以使用 insert() 方法。此方法在指定的索引位置插入字符串。语法格式：text.insert(index, string)示例：import tkinter as tkroot = tk.Tk()root.geometry('600x400+200+200')root.titl...
Perform a string formatting operation. The format_string argument can contain literal text or replacement fields delimited by braces {}. Each replacement field contains either the numeric index of a positional argument, or the name of a keyword argument. Returns a copy of format_string where each...
escape_string – escape a string for use within SQL Y - escape_bytea – escape binary data for use within SQL Y - unescape_bytea – unescape data that has been retrieved as text Y - get/set_namedresult – conversion to named tuples Y - get/set_decimal – decimal type to be used ...
1、自动化office，包括对excel、word、ppt、email、pdf等常用办公场景的操作，python都有对应的工具库，...
python from cal import add as new_add, sub, mul, div import cal from cal import * print(new_add(1, 2)) print(cal.add(1, 2))【4】 __name__=='__main__'highlighter- Bash def mysql_init(): print("mysql初始化") def mysql_insert(): print("mysql添加记录") def mysql_delete()...
delete删除某一个资源,基本上这个也很少见,比如amazon的S3云服务里面就用的这个方法来删除资源。 说明:请求服务器删除请求里url所标识的资源; 场景:如用户在豆瓣网站取消对某本书的收藏、删除某篇笔记或删除评论; 如豆瓣的删除评论的开放api。 DELETE https://api. douban. com/ v2/book/review/ :id ...
return s.translate(table, string.punctuation) def test_repl(s): # From S.Lott's solution for c in string.punctuation: s=s.replace(c,"") return s print"sets :",timeit.Timer('f(s)', 'from __main__ import s,test_set as f').timeit(1000000) ...