get()方法不返回任何值的原因是因为它通常用于获取对象的属性或执行某些操作,而不是返回一个具体的值。具体来说,get()方法是一种访问器方法,用于获取对象的属性值,而不是直接返回一个值。 在面向对象编程中,get()方法通常与set()方法一起使用,用于实现封装和数据隐藏。通过使用get()方法,我们可以在获取属性值时...
from tkinter.ttk import * # creating master window master = Tk() # Entry widget e1 = Entry(master) e1.pack(expand = 1 , fill = BOTH) # Button widget which currently has the focus e2 = Button(master, text = "Button" ) # here focus_set() method is used to set the focus e2.fo...
A POST request is generated via the POST method. [Success: { "args": {}, "data": "{\"name\":\"John Doe\",\"occupation\":\"gardener\"}", "files": {}, "form": {}, "headers": { "Accept": "text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2", "Content-...
# Python program to explain os.path.getatime() method# importing os and time moduleimportosimporttime# Pathpath='/home/User/Documents/file.txt'# Get the time of last# access of the specified# path since the epochaccess_time=os.path.getatime(path)print("Last access time since the epoch:...
// Java code to illustrate the get() methodimportjava.util.*;publicclassMap_Demo{publicstaticvoidmain(String[]args){// Creating an empty MapMap<String,Integer>map=newHashMap<String,Integer>();// Mapping int values to string keysmap.put("Geeks",10);map.put("4",15);map.put("Geeks",...
TkinterTkinter Label Video Player is loading. Current Time0:00 / Duration-:- Loaded:0% In this tutorial, we will introduce how to get theTkinterLabeltext by clicking a button. TkinterLabelwidget doesn’t have a specificgetmethod to get the text in the label. It has acgetmethodto return ...
How to get the coordinates of each room in a... Learn more about object identification method, coordinates of wall Deep Learning Toolbox, Computer Vision Toolbox
import math from tkinter importTk, Button, Text # add_word函数用于添加字符到文本框 def add_word(c): # 使用try except语句,防止用户输入非法字符,捕获异常 try: # '0.0' 表示文本开头位置 # 'end' END索引号表示文本末尾位置 python种TK模块的函数 ...
当我尝试在url中传递字符串时,出现错误: View_by_Course_list()缺少一个必需的位置参数:'course_code_and_name‘@csrf_exemptif request.method == 'POST':< 浏览2提问于2021-06-04得票数 0 2回答 get()缺少1个必需的位置参数:“self” 、 command= lambda :self.submit()).grid(row=4, column=...
python-3.x Tkinter - Entry.get()方法不读取条目的全部内容我可以向您保证，在Entry小部件上调用.get...