pandas: multiple conditions while indexing data frame – unexpected behavior
I am filtering rows in a dataframe by values in two columns. For some reason the OR operator behaves like I would expect … Read more
boolean-logic
How can I obtain the element-wise logical NOT of a pandas Series?
I have a pandas Series object containing boolean values. How can I get a series containing the logical NOT of each value? For … Read more
Why does (0 < 5 < 3) return true?
I was playing around in jsfiddle.net and I’m curious as to why this returns true? if(0 < 5 < 3) { alert(“True”); } … Read more
Does Python support short-circuiting?
Does Python support short-circuiting in boolean expressions? 4 Answers 4
Check if at least two out of three booleans are true
An interviewer recently asked me this question: given three boolean variables, a, b, and c, return true if at least two out of … Read more
How to test multiple variables for equality against a single value?
I’m trying to make a function that will compare multiple variables to an integer and output a string of three letters. I was … Read more