remove from a list python+ code example

Example 1: python list .remove

a = [10, 20, 30, 20]
a.remove(20)
# a = [10, 30, 20]
# removed first instance of argument

Example 2: remove item from list python

l = list[1, 2, 3, 4]

for i in range(len(list)):
  l.pop(i) # OR "l.remove(i)"