The other answers explain it well but I just wanted to add a bit more about which conditional expression to use in a list comprehension. As the docs state, list comprehensions are used to create a list using …

Feb 2, 2013 · The point was to show the difference between the if in the ternary A if C else B and the conditional if in i for i in items if p(i). Every comprehension can be written as statements if you name …

Jul 15, 2015 · How to use a Python list comprehension with a conditional expression [duplicate] Asked 10 years, 6 months ago Modified 10 years, 6 months ago Viewed 2k times

Aug 4, 2020 · I'm learning the ropes of python programming and I'm struggling with what might seem simple but confusing to me. I've got the list my_list and i'd like to subtract 3, only from numbers …

Mar 18, 2013 · You can't put an else in a list comprehension, not where you put one at least. Don't confuse a list comprehension (filtering), with a conditional expression (which must have a value, …

Jun 27, 2014 · See if/else in a list comprehension if you are trying to make a list comprehension that uses different logic based on a condition.

Apr 4, 2017 · I am trying to gain a better understanding of how list comprehensions work. I have the following function that returns true or false if a number is prime (which I found somewhere on the …

Apr 23, 2012 · Ok so that's a list of conditions, but how do I use them in the list comprehension? And also, to put i in the list (when i is not divisible by any number), the code should be such that it knows …

Jan 14, 2020 · 1 To answer the question in your title, you can conditionally add elements during a list comprehension using the syntax [x for y in z if y == a], where y == a is any condition you need - if the …

Think about how you would write the explicit loop using only if and else, if elif didn't exist. Then translate that into what you already know about using if and else (i.e., the ternary operator) in a list …