Given:
a = [[1,2],[3,4],[5,6],[7,8]] b = 3
I would like to remove an item of a that has b as it\'s first item. S
a
b
You can use a list comprehension:
>>> a = [[1,2],[3,4],[5,6],[7,8]] >>> b = 3 >>> a = [x for x in a if x[0] != b] >>> a [[1, 2], [5, 6], [7, 8]]