Using .expr() and arithmetics: how to add multiple (calculated) columns to dataframe within one expression Question: So I have a spark dataframe with some columns and I want to add some new columns which are the product of the initial columns: new_col1 = col_1 * col_2 & new_col2 = col_3 * col_4. See the data …
How to write a function in Python to perform subtraction on numbers that are given as arguments? for eg, subt(a, b, c…) O/P : value of a-b-c- Question: Require to write a Python function to perform the subtraction operation on multiple numbers (left to right direction) given as arguments. User should be able to give …
Is Python's == an equivalence relation on the floats? Question: In native Python, without using NumPy (for which numpy.nan != numpy.nan) there is no NaN, so am I right in thinking that Python’s floating point == is reflexive? Then since it is symmetric (a == b implies b == a) and transitive (if a==b and …
How do I add two integers together with Twisted? Question: I have two integers in my program; let’s call them “a” and “b“. I would like to add them together and get another integer as a result. These are regular Python int objects. I’m wondering; how do I add them together with Twisted? Is there …
