python-3.x

问题 I am having a problem with the passeord reset system. The code is as below. When I enter the respective URL into the browser address directly it shows the expected Django forms/pages. However if I fill an email address and hit enter/click the link, I get the "Reverse for 'password_reset_confirm' not found. 'password_reset_confirm' is not a valid view function or pattern name." error at line 6 in password_reset_email.html. But I have included the uid64! and the token! Also, when I deliberately

问题 I have a code like below,when i print the list1 and list2 it shows same elements but i have added the 9 after the assignment of existing list1 to list2 so it should not show 9 in list2. list1=[1,2,3,4] list2=list1 list1.insert(4,9) print(list1) print(list2) please clear my doubt. 回答1: In python, a variable name is a reference to the underlying variable. Both list1 and list2 refer to the same list, so when you insert 9 into that list, you see the change in both. You need to make an explicit

问题 I'm trying to edit Menu window. How can i edit it? This is for Windows. from tkinter import * Window = Tk() MB = Menu(Window) Window.config(menu=MB) Menubar = Menu(MB) MB.add_cascade(label="File", menu=Menubar) Menubar.add_command(label="New File") #Btn1 = Button(Menubar, width=20, text="Button").pack() #I failed. Window.mainloop() I tried Btn1 = Button(Menubar, width=20, text="Button").pack() But this one couldn't work. 回答1: usually you add items to menu like this - but what are looking for?

问题 I wrote a code that will print all videos' name on the playlist. The problem is when it tries to print the name of the video that is private. I wrote an exception from Github that the owner wrote but it still doesn't work. It should skip this one video and go to another one but it doesn't and the program crashes. Here is my code: import pytube from pytube.exceptions import VideoPrivate pl = pytube.Playlist("https://www.youtube.com/playlist?list=PLB1PGaMZkETOixDfsnKIOkfJS_cToCHSt") for video

问题 I'm going through the Python tutorial and have no idea why my code isn't working. I know I need to tell Python to print an integer manually but I have already put str(sum(ages)) . Can anyone tell me why this is happening? ages = ['24','34','51','36','57','21','28'] print('The oldest in the group is ' + str(max(ages)) + '.') print('The youngest in the group is ' + str(min(ages)) + '.') print('The combined age of all in the list is ' + str(sum(ages)) + '.') Error: File "list2.py", line 4, in

问题 So i wrote this code: # Pygame development 4 # Focus on making code object oriented # Introduce classes and objects into our code # Gain access to the pygame library import pygame # Size of the screen SCREEN_TITLE = 'Crossy RPG' SCREEN_WIDTH = 500 SCREEN_HEIGHT = 500 # Colors according to RGB codes WHITE_COLOR = (255, 255, 255) BLACK_COLOR = (0, 0 , 0) # Clock used to update game events and frames clock = pygame.time.Clock() pygame.font.init() font = pygame.font.SysFont('comicsans', 75) class

问题 I have a dataset like x = 3,4,6,77,3 y = 8,5,2,5,5 labels = "null","exit","power","smile","null" Then I use from matplotlib import pyplot as plt plt.scatter(x,y) colorbar = plt.colorbar(labels) plt.show() to make a scatter plot, but cannot make colorbar showing labels as its colors. How to get this? 回答1: I'm not sure, if it's a good idea to do that for scatter plots in general (you have the same description for different data points, maybe just use some legend here?), but I guess a specific

问题 Example Code from datetime import datetime, timezone import pytz tzstring = 'Europe/Berlin' t1 = datetime(2016, 6, 16, 2, 0, tzinfo=pytz.timezone(tzstring)) t2 = datetime(2016, 6, 16, 2, 0, tzinfo=timezone.utc).astimezone(pytz.timezone(tzstring)) Observed print(t1): 2016-06-16 02:00:00+00:53 print(t2): 2016-06-16 04:00:00+02:00 Expected print(t1): 2016-06-16 04:00:00+02:00 # does not match expectation print(t2): 2016-06-16 04:00:00+02:00 # matches expectation Question Can somebody please

问题 I have a csv of a series of contacts from Salesforce with the name, location and a URL that opens an image which I need to download Thus far I have only been able to access my Salesforce instance using Python but am struggling to find a means of using a python package to not only open the URL, but also download the image in .jpg format and rename it with the name and location of the client. Is there any package available that would allow my to do this. I've tried using simple-salesforce but I

问题 I have a csv of a series of contacts from Salesforce with the name, location and a URL that opens an image which I need to download Thus far I have only been able to access my Salesforce instance using Python but am struggling to find a means of using a python package to not only open the URL, but also download the image in .jpg format and rename it with the name and location of the client. Is there any package available that would allow my to do this. I've tried using simple-salesforce but I