To group the sublists in a general way you can: Code: def linking_sublists(lists): index = {} sets = [] for l in lists: found = None for i in l: if i in index: # this list has an element we have already seen if found: # combine two sets to_remove = index[i] if found … Read more
I don’t understand the confusion. The split() function return a list of all subparts of your string by removing all occurences of the given argument. For example, if you have the following string : “Hello world!” and split this one by split(“o”) then your output will be : [“Hell”, ” w”, “rld!”] With a code: … Read more
Pretty simple: In [8]: course_name Out[8]: ‘Post Graduate Certificate Programme in Retail Management (PGCPRM) (Online)’ In [9]: print re.sub(‘\([A-Z]+\)\s*’, ”, course_name) Post Graduate Certificate Programme in Retail Management (Online) In [17]: print re.search(‘\(([A-Z]+)\)\s*’, course_name).groups()[0] PGCPRM 0 solved Extract only first match using python regular expression [duplicate]
try pythons high level file operations library ( import shutil ) Also consider using pythons excellent directory walking function ( from os import walk ) You shouldn’t need to copy the files but just rename the directories and filenames. solved How to copy all files with a particular prefix to new directories with python?
You could create one yourself using something like Selenium WebDriver to scrape your pages and look for the existence of your scripts. 1 solved service to see if script on each web page? [closed]
I’m on Windows 10. If you’re not opposed to using Windows Command Prompt, here are the steps to running this project. I don’t use Powershell but if you must, see Powershell note at bottom of my answer. Go here: https://github.com/sajib1066/django-event-management Grab this clone link: https://github.com/sajib1066/django-event-management.git Open Windows CMD prompt. Change directory to a place on … Read more
As rafaelc suggested, you can use np.sqrt on a specific column. a = np.array([[1.,2.,3.],[1.,2.,3.]]) a[:,1] = np.sqrt(a[:,1]) a has two rows and three columns. a[:,1] is the second column. 1 solved Using Numpy to update one column by the square root of those column values [closed]
It’s quite easy using pandas and a dict: with open(‘file.txt’, ‘r’) as f: lines = f.readlines() students = [] student = {} for line in lines: if ‘:’ in line: student[‘id’] = line.split(‘:’)[0] elif ‘name’ in line: student[‘Name’] = line.split(‘=’)[1].replace(‘\n’,”) elif ‘Age’ in line: student[‘Age’] = line.split(‘=’)[1].replace(‘\n’,”) elif ‘Grade’ in line: student[‘Grade’] = line.split(‘=’)[1].replace(‘\n’,”) students.append(student) … Read more
An easy implementation would be to do something like: if len(set(input)) == 1: print(‘not present’) else: sorted(set(input))[-2] Take a look at Get the second largest number in a list in linear time for other implementations. 6 solved Need to find second maximum number in the list. All the details pasted below in the body. Please … Read more
You are assigning a function to a function. Functions do not have a static value as you are trying to assign, and therefore you cannot simply assign another function to it. Maybe you want to assign each to a variable like this: my_var1 = predict_func(x, y, w, h) my_var2 = cv2.boundingRect(cnts[i]) Or maybe you want … Read more
You must use when writting python the TAB. Try using VSCode for writing Python and install de Python extension. If you dont have it, use this to check if your sintax is correct: Checker-Python. From the first view I saw you dindt use correct tabulation on the while loop. solved username and password python I … Read more
Replace num1 and num2 with num3 and num4. class fraction: def __init__(self,num1,num2,num3,num4): self.num1=num1 self.num2=num2 self.num3=num3 self.num4=num4 def addition(self): print(self.num1+self.num2) return self.num1+self.num2 def sub(self): print(self.num1+self.num2) return self.num1+self.num2 def div(self): print(self.num1/self.num2) return self.num1/self.num2 def mul(self): print(self.num1*self.num2) return self.num1*self.num2 def reminder(self): print(self.num1%self.num2) return self.num1%self.num2 if __name__ ==”__main__”: object=fraction(1,2,3,4) object.addition() object.reminder() 0 solved Creating a class in python with … Read more
when you say A = [ [1, 1, 2], [2, 2, 3], [3, 3, 4] ] A is a list of lists. So, A[0] gives you [1,2,3] A[1] gives you [2,2,3] A[0][0] is nothing but the 0th index of [1,2,3] which is 1. and similarly, A[1][1] is the 1st index is [2,2,3] which is 2(the … Read more
Use threading: import threading def interest(): while True: print(‘interest is running’) d = threading.Thread(target=interest) d.setDaemon(True) d.start() print(‘Your main job is here’) 1 solved If I want something to consistently be happening while the rest of my program is still running in Python, what do I do? [closed]
for passnum in range(len(alist)-1,0,-1): Per the range function documentation: len(alist) – 1 is the length of the list (8) minus one (7). It represents some “starting” number. 0 represents the “stopping” number. -1 represents the “step” number. These come together in range(len(alist) – 1, 0, -1) to say “count from 7 to 0, backwards – … Read more