[ad_1] x=re.search(‘(?<=abc).*(?=ghi)’,’abcdefghi’).group(0) print(x) output def Explanation Regex (?<=abc) #Positive look behind. Start match after abc .* #Collect everything that matches the look behind and look ahead conditions (?=ghi) #Positive look ahead. Match only chars that come before ghi re.search documentation here. A Match Object is returned by re.search. A group(0) call on it would return … Read more
[ad_1] Not sure what you’re trying to achieve, but technically your error is here: self = kwargs.get(‘object’,self) There’s nothing magic with self, it’s just a function argument, and as such a local variable, so rebinding it within the function will only make the local name self points to another object within the function’s scope. It’s … Read more
[ad_1] The use of the return keyword is different in a Python function vs. a MATLAB function. In a MATLAB function, the Left Hand Side (LHS) arguments define what needs to be defined within the function body prior to returning. function y = foo(x) y = 1; end If you use a return statement to … Read more
[ad_1] First of all: iter() normally is a function. Your code masks the function by using a local variable with the same name. You can do this with any built-in Python object. In other words, you are not using the iter() function here. You are using a for loop variable that happens to use the … Read more
[ad_1] I recommend you use numpy arrays for this, that will be the easiest way. Either convert your tuples to arrays or just store them as arrays. If you subtract numpy arrays, they will be subtracted elementwise. The same statement is true for squaring (which, btw, in Python is not ^2 but **2). You will … Read more
[ad_1] Stop using su and sudo to run virtualenv. You need to run virtualenv as your normal user. You have created the virtualenv with sudo which is why you are getting these errors. [ad_2] solved Is this a linux or a virtualenv error?
[ad_1] You have three class attributes: RANKS, SUITS and BACK_Name. class Card: # Class Attributes: RANKS = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13) SUITS = (‘s’, ‘c’,’d’,’h’) BACK_Name = “DECK/b.gif” You haven’t defined fileName as a class attribute so trying to get an attribute named fileName will raise … Read more
[ad_1] Since idk how to format things in comments if thats a thing, heres what i have now. @achampion def readline(lines): if lines in strings: return True else: return False with open(‘output.txt’, ‘w+’) as output_file: with open(‘input.txt’, ‘r’) as input_file: for lines in input_file: if readline(lines) == True: output_file.write(‘True\n’) print(‘true’) else: output_file.write(‘False\n’) print(‘false’) 2 [ad_2] … Read more
[ad_1] Yes, it was added in version 2.5. The expression syntax is: a if condition else b First condition is evaluated, then exactly one of either a or b is evaluated and returned based on the Boolean value of condition. If condition evaluates to True, then a is evaluated and returned but b is ignored, … Read more
[ad_1] Note: The ideas here are pretty generic for Stack Overflow, indeed questions. Disclaimer: Writing a good question is hard. The Good: do include small* example DataFrame, either as runnable code: In [1]: df = pd.DataFrame([[1, 2], [1, 3], [4, 6]], columns=[‘A’, ‘B’]) or make it “copy and pasteable” using pd.read_clipboard(sep=’\s\s+’), you can format the … Read more
Introduction [ad_1] If __name__ == “__main__”: is a special statement in Python that is used to execute some code only if the file is run directly. This statement is used to check whether the current file is being imported from another module or not. If the file is being imported from another module, the code … Read more
[ad_1] Short Answer It’s boilerplate code that protects users from accidentally invoking the script when they didn’t intend to. Here are some common problems when the guard is omitted from a script: If you import the guardless script in another script (e.g. import my_script_without_a_name_eq_main_guard), then the latter script will trigger the former to run at … Read more
[ad_1] To understand what yield does, you must understand what generators are. And before you can understand generators, you must understand iterables. Iterables When you create a list, you can read its items one by one. Reading its items one by one is called iteration: >>> mylist = [1, 2, 3] >>> for i in … Read more
[ad_1] Try this: import time import requests link = ‘https://api-mainnet.rarible.com/marketplace/api/v4/followers’ params = {‘user’: ‘0xe744d23107c9c98df5311ff8c1c8637ec3ecf9f3’} payload = {“size”: 20} with requests.Session() as s: s.headers[‘User-Agent’] = ‘Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.150 Safari/537.36’ res = s.post(link,params=params,json=payload) for item in res.json(): print(item[‘owner’][‘name’]) 1 [ad_2] solved What request should I make to get the followers list … Read more
[ad_1] I’ve came up with this regex, which might work in most cases but not all. Since you said you might have broken regex, it’s hard to know what the output will look like. Anyways, this might work fine for your needs. r'”intent_path”:(?: ?)”([\w\s,]+)”‘ You can test more cases here 1 [ad_2] solved Parse JSON … Read more