How do you create a list like PHP's in Python?

list = []

for row in rows:
  c = list_of_categories.index(row["id"])
  print c
  list[c] = row["name"]

d = {}

for row in rows:
  c = list_of_categories.index(row["id"])
  print c
  d[c] = row["name"]

d = dict((list_of_categories.index(row['id']), row['name']) for row in rows)
print d

n = 3
array = n * [None]
print array
array[2] = 11
array[1] = 47
array[0] = 42
print array

[None, None, None]
[42, 47, 11]

l = list ()
l.append ("foo")
l.append (3)
print (l)

l = list ()
l.append ("foo")
l.append (3)
l.insert (1, "new")
print (l)

lst = [0] * n

lst = [some_object() for i in xrange(n)]

for i in xrange(n):
    lst[i] += 1

dict = {'a': 1, 'b': 2, 'c': 3}
dict['a']

lst = [list_of_categories.index(row["id"]) for row in rows]

list = {}

for row in rows:
  c = list_of_categories.index(row["id"])
  print c
  list[c] = row["name"]

for x in list.values():
  print x

if 3 in list:
  print "it's there"

class MyList(UserList.UserList):

NO_ITEM = 'noitem'

def insertAt(self, item, index):

    length = len(self)
    if index < length:
        self[index] = item
    elif index == length:
        self.append(item)
    else:
        for i in range(0, index-length):
            self.append(self.NO_ITEM)
        self.append(item)