Is there a simple way to delete a list element by value?

Yes, you can use the remove() method to delete a list element by its value. Here is an example:

my_list = [1, 2, 3, 4, 5]

This will remove the first occurrence of the value 3 in the list and print [1, 2, 4, 5].

Note that if the value is not in the list, this will raise a ValueError. You can use in keyword to check the existance of element in the list before calling remove method.

if 3 in my_list: