Skip to content

Instantly share code, notes, and snippets.

@myano
Created December 22, 2011 21:55
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save myano/1512026 to your computer and use it in GitHub Desktop.
Save myano/1512026 to your computer and use it in GitHub Desktop.
check if a list of several lists have the same elements but in any order, essentially the lists should be identical except for order. (number of elements in each should be the same)
def lists_same(lol):
""" helper code that takes a list of list (lol) and checks to make sure
that all elements in each list are in all of the lists (order doesn't
matter) """
if not isinstance(lol, list) or not len(lol) > 0:
return 1
## lol is a list of lists
length = 0
for each_list in lol:
length += len(each_list)
## Each element in the list are not the same size
if (length % len(lol)) != 0:
return False
#temp = lol[0]
temp = dict()
for each_list in lol:
each_list_str = str(id(each_list))
temp[each_list_str] = dict()
for each_item in each_list:
if each_item in temp[each_list_str]:
temp[each_list_str][each_item] += 1
else:
temp[each_list_str][each_item] = 1
a = temp.keys()[0]
temp_dict = temp[a]
for ns in temp:
if not temp[ns] == temp_dict:
return False
temp_dict = temp[ns]
return True
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment