python - How to randomly select two elements of a python list?

Question

mylist = ['a','b','c','d']

How can I index the list so that I choose only two of the four elements? mylist[] throws all sorts of errors depending what datatype I put in the square brackets for indexing

标签： pythonlistindexing

Answer 1

You can use random.sample Try this:

import random
mylist = ['a','b','c','d']

print(random.sample(mylist, 2))