You can write this using a list comprehension which tells us quite literally which elements need to end up in new_list : a = ['apple', 'carrot', 'lemon'] b ... ... <看更多>

In this video, learn how to remove all elements from the list. Lists in Python are ordered. It is modifiable and changeable, unlike Tuples. ... <看更多>

if you wanted to use numpy you could convert the list to an array and use logical operators -- import numpy as np # your list a = [0.1, 0.2, ... ... <看更多>