query: Don't append if word already is in list
positive_passages.docid: 652
positive_passages.text: How do you remove duplicates from a list whilst preserving order?
negative_passages.docid: 47144
negative_passages.text: Package to test whether a string is in a list
negative_passages.docid: 130346
negative_passages.text: How do I delete all items that occur more than once?
negative_passages.docid: 108286
negative_passages.text: Can you restrict a list to add item only but not read?
negative_passages.docid: 153235
negative_passages.text: Checking for duplicates in sublists
negative_passages.docid: 34631
negative_passages.text: Specifying a no-indent for a list
negative_passages.docid: 11272
negative_passages.text: Python appending to two lists when it should only append to one
negative_passages.docid: 149172
negative_passages.text: Java: Avoid inserting duplicate in arraylist
negative_passages.docid: 66099
negative_passages.text: How to keep overwriting the contents of a file instead of appending to it
negative_passages.docid: 25912
negative_passages.text: Why does adding a new value to list overwrite previous values in the list
negative_passages.docid: 95303
negative_passages.text: Add a character to each item in a list
negative_passages.docid: 137735
negative_passages.text: Can enter() selection be reused after append/insert?
negative_passages.docid: 11663
negative_passages.text: Checking a list if a certain string exist in visualforce page
negative_passages.docid: 54061
negative_passages.text: Removing duplicates in lists
negative_passages.docid: 118108
negative_passages.text: Check if a Python list item contains a string inside another string
negative_passages.docid: 11987
negative_passages.text: F# insert/remove item from list
negative_passages.docid: 10989
negative_passages.text: How do I count unique values inside a list