python-3.6

问题 faces_all = list(range(1,25)) # Create list numbered 1-24 for x in itertools.combinations((faces_all),3): # check combinations in numbers 2-23 if faces_all[0] + sum(x) == 50: # if 1 + combination = 50 continue for pair in itertools.combinations([faces_all[0],x],2): # HELP if pair != 25: That's my code. What I want to be able to do is ONLY continue if every combination of faces_all[0] and x (should be 4 numbers, 6 combinations of 2 numbers) is NOT equal to 25. If even one combination of 2

问题 The Purpose is to enter in Ronald and get all of the information inside of the Ronald Variable , using the method "INSERT" to make this happen , im stuck and am looking on suggestions on how to do this , #the class/object class Jurystudent: def __init__(self, gpa , First , Last, NUMOFCLASSES,gradelvl): self.gpa = gpa self. First = First self.Last = Last self.Numberofclasses = NUMOFCLASSES self.gradelvl = gradelvl def __str__(self): return str(self.gpa)+","+str(self.First)+ ","+str(self.Last)+

问题 I'm making this calculator using python 3, and this is what I have so far: print("Welcome to Calculator!") class Calculator: def addition(self,x,y): added = x + y return added def subtraction(self,x,y): subtracted = x - y return subtracted def multiplication(self,x,y): multiplied = x * y return multiplied def division(self,x,y): divided = x / y return divided calculator = Calculator() print("1 \tAddition") print("2 \tSubtraction") print("3 \tMultiplication") print("4 \tDivision") operations =

问题 SyntaxError: 'yield from' inside async function async def handle(request): for m in (yield from request.post()): print(m) return web.Response() Used python3.5 before, found pep525, install python3.6.5 and still receive this error. 回答1: You are using the new async / await syntax to define and execute co-routines, but have not made a full switch. You need to use await here: async def handle(request): post_data = await request.post() for m in post_data: print(m) return web.Response() If you

问题 I keep getting TypeError: unsupported operand type(s) for +: 'float' and 'list' . I am new to python programming and am trying to convert Matlab code into Python. Below is the tried python code. import math import cmath import numpy as np import random Tp = .1e-6 Xc = 2.e3 c = 3e8 B0 = 100e6 X0 = 50 w0 = 2 * cmath.pi * B0 fc = 1e9 wc = 2*cmath.pi * fc alpha = w0 / Tp wcm = wc - alpha * Tp Ts = (2 * (Xc - X0)) / c Tf = (2 * (Xc - X0)) / c + Tp dt = cmath.pi / (2 * alpha * Tp) n = 2 * math.ceil

问题 Right now I have a code that can find the number of combinations of a sum of a value using numbers greater than zero and less than the value. I need to alter the value in order to expand the combinations so that they include more than just the value. For example: The number 10 yields the results: [1, 2, 3, 4], [1, 2, 7], [1, 3, 6], [1, 4, 5], [1, 9], [2, 3, 5], [2, 8], [3, 7], [4, 6] But I need to expand this to including any number that collapses to 1 as well. Because in essence, I need 100

问题 I'm trying to finish a script to convert an Excel file. It iterates through rows in a column, and creates a formula which cleans data in another column. Here is my code so far: import openpyxl wb = openpyxl.load_workbook('test-in.xlsx') ws = wb.worksheets[2] max_row = sheet.max_row for row_num in range(2, max_row): ws['I{}'.format(row_num)] = '=CLEAN(D{})'.format(row_num) wb.save('test-out.xlsx') This works very nicely, however the output file contains cells with the above formula in them. I

问题 I have installed python-vlc D:\Programing\Python\Python 3.6>python -m pip install python-vlc Requirement already satisfied: python-vlc in d:\programing\python\python 3.6\lib\site-packages\python_vlc-1.1.2-py3.6.egg When I import the module in idle I get this error >>> import vlc Traceback (most recent call last): File "<pyshell#1>", line 1, in <module> import vlc File "<frozen importlib._bootstrap>", line 961, in _find_and_load File "<frozen importlib._bootstrap>", line 950, in _find_and_load

问题 I am plotting the data with MapBoxGl Python Library on maps, here is my code which is taking the latitude, longitude and points from the Pandas DataFrame and trying to make the geojson, here is the code data4 = df_to_geojson(result, properties= ['speed'], lat='lat', lon='lon') print (data4) but I am getting this error, I am not familiar with the error, I looked for it but didn't find any solution: > --------------------------------------------------------------------------- ValueError

问题 import scrapy from imdbscrape.items import MovieItem class MovieSpider(scrapy.Spider): name = 'movie' allowed_domains = ['imdb.com'] start_urls = ['https://www.imdb.com/search/title?year=2017,2018&title_type=feature&sort=moviemeter,asc'] def parse(self, response): urls = response.css('h3.lister-item-header > a::attr(href)').extract() for url in urls: yield scrapy.Request(url=response.urljoin(url),callback=self.parse_movie) nextpg = response.css('div.desc > a::attr(href)').extract_first() if