Oct 13, 2023 · Remove duplicates from a given string using Hashing Iterating through the given string and use a map to efficiently track of encountered characters. If a character is encountered for the first time, it’s added to the result string, Otherwise, it’s skipped.

Apr 18, 2015 · set() will create a set of unique letters in the string, and "".join() will join the letters back to a string in arbitrary order. If order does matter, you can use a dict instead of a set, which since Python 3.7 preserves the insertion order of the keys.

Feb 28, 2025 · The task of removing all duplicates from a given string in Python involves retaining only the first occurrence of each character while preserving the original order. Given an input string, the goal is to eliminate repeated characters and return a new string with unique characters.

To remove duplicate words from sentence and preserve the order of the words you can use dict.fromkeys method. string1 = "calvin klein design dress calvin klein" words = string1.split() result = " ".join(list(dict.fromkeys(words))) print(result)

Mar 3, 2024 · You can convert the string to a set to remove duplicates and then sort it back to the original order using a list. Here’s an example: def remove_duplicates(input_string): return ''.join(sorted(set(input_string), key=input_string.index)) print(remove_duplicates("apple"))

May 19, 2010 · def remove_duplicates(strng): """ Returns a string which is the same as the argument except only the first occurrence of each letter is present. Upper and lower case letters are treated as different.

Oct 12, 2021 · Learn how to remove duplicate characters from a given string in Python with clear examples and explanations. Explore methods to eliminate duplicate characters in Python strings with this comprehensive guide.

Learn how to remove duplicate characters from a string in Python using set(), loops, and list comprehension.

Learn how to remove all duplicates from a given string in Python with this comprehensive guide, including examples and explanations.

Jul 2, 2021 · Remove all duplicates from a given string in Python. learn how to use methods of the collection class and use them to remove duplicates.