Add leading zeros to variable in list Question: I tried to do some experimenting with variables in lists. Some of numbers wasn’t same length as original input. For example: Original: [012, 125, 032] Result: [12, 125, 32] How can I add leading zeros to equalise to original values? I Have tried zfill and format but …
Sum of items of a class Question: What I have to do is to create a class that counts from a giving single argument and itself make the arithmetical operation. class Counts: def __init__(self, value=0): self.value = value def newvalue(self, other): return Counts(self.value + other) But for every I make to the code I got …
How can I add an item in a list from a JSON file in Python? Question: Is there any way to append a JSON file list? Here is my JSON file content: {"language": "[‘English’, ‘French’]", "bank": 50} I would like to add the string "Spanish" to the language list. How can I do it? import …
I'm trying to perform math operation (specifically addition) with the contents of integer fields on my django models Question: I’m trying to perform math operation (specifically addition) with the values of integer fields on my django models but i kept getting this warning even before running the program: "Class ‘IntegerField’ does not define ‘add‘, so …
Add Dataframe to list of dataframes Question: I have the following list of Dataframes twice: Now i want to combine these lists to one list. So i want to add all the Dataframes from list two to list one. Simple example: a = pd.DataFrame([2,3,4,5]) b = pd.DataFrame([4,7,8,9,10]) c = [a,b] d = pd.DataFrame([2,3,4,5]) e = …
Add role Python Discord Bot Question: Some help if possible please. I am using the below code to achieve adding a role to a member by using the command : @addRole @user knight . But the role isnt being added. Can anyone spot my error ? @ is my prefix and knight is the name …
add more than two objects with __add__ function Question: I have a class it can successfully add two variables of object of class a class a(): def __add__(self, other): return self.val+other.val def __init__(self,a): self.val=a aa=a(22) bb=a(11) aa+bb 33 But when I try to give it third object to add, it through error cc=a(11) aa+bb+cc Traceback …
Function of adding two lists in Python Question: whenever I run following code of adding two lists in python below mentioned error appears def add_lists(L1, L2): R = [] for i in range(0, len(L1)): R.append(L1[i]+L2[i]) return R L2 = [3, 3, 3, 3] L1 = [1, 2, 3, 4] add_lists(L1, L2) print("Resultant list of: ", …
Is "add" operation in set() or "insert" in dict() in Python actually O(n) where n is the length of the key string? Question: There is a contradiction on whether the insert operation on dict() or add operation in set() is O(n) or O(1), where n is the length of the string. Suppose we have strings …
Program that asks user for numbers and outputs the sum and the amount of numbers entered Question: I’m writing a program that asks the user for numbers until the input is "stop". The program should output how many numbers were entered and the sum of the numbers. I have this code: count = 1 numberstring …
