equals

compare two lists with multiple attributes regarding the first attribute of each entry

compare two lists with multiple attributes regarding the first attribute of each entry Question: I’m struggeling at an implementation in python for the following probelm: I have two lists which look similar to the once below: list1 = [("aa",2),("bb",1),("cc",5),("dd",3),("ee",7)] list2 = [("bb",3),("dd",1),("cc",2)] Regarding the first attribute of the lists – the String, the second list, …

Total answers: 1

How do I check if two vectors are equal using a function?

How do I check if two vectors are equal using a function? Question: I am attempting to check if two vectors are equal using a function. I don’t know if I am using the correct function because I am not getting true or false as a return. Here is my code: import numpy as np …

Total answers: 1

Don't understand the error message : Invalid syntax in for statement

Don't understand the error message : Invalid syntax in for statement Question: I am writing a very simple program to output the 0-10 in numbers using a for loop. However it comes up with a syntax error when I click run, highlighting in red the “=” in the 8th line. I don’t understand why it …

Total answers: 3

Shared References and Equality

Shared References and Equality Question: Using Python 3.4 and working through examples in a book by O’Reily. The example shows: A = [‘spam’] B = A B[0] = ‘shrubbery’ Result after running print A: ‘shrubbery’ Now my thought process is thatA was defined but never changed. This example yields a different result A = ‘string’ …

Total answers: 6

double equals vs is in python

double equals vs is in python Question: I run the following in the Python interpreter: >>> foo = 10 >>> dir(foo) == dir(10) True >>> dir(foo) is dir(10) False >>> Why is this? Asked By: ben || Source Answers: is checks that 2 arguments refer to the same object, == checks that 2 arguments have …

Total answers: 1