From 086e737fef8dc7a3e00875de019f7f70e813c0e8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Gamze=20K=C4=B1l=C4=B1n=C3=A7?= <149265010+gamzeklnc@users.noreply.github.com> Date: Mon, 5 Jan 2026 13:37:22 +0300 Subject: [PATCH] Add utility functions for list and dict operations This file contains functions to remove duplicates from a list, count occurrences of items in a list, and reverse the keys and values of a dictionary. --- Week03/sequences_gamze_kilinc.py | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) create mode 100644 Week03/sequences_gamze_kilinc.py diff --git a/Week03/sequences_gamze_kilinc.py b/Week03/sequences_gamze_kilinc.py new file mode 100644 index 00000000..33b9d7b2 --- /dev/null +++ b/Week03/sequences_gamze_kilinc.py @@ -0,0 +1,32 @@ +def remove_duplicates(seq: list) -> list: + """ + This function removes duplicates from a list. + """ + result = [] + for item in seq: + if item not in result: + result.append(item) + return result + + +def list_counts(seq: list) -> dict: + """ + This function counts the number of occurrences of each item in a list. + """ + counts = {} + for item in seq: + if item in counts: + counts[item] += 1 + else: + counts[item] = 1 + return counts + + +def reverse_dict(d: dict) -> dict: + """ + This function reverses the keys and values of a dictionary. + """ + reversed_dict = {} + for key, value in d.items(): + reversed_dict[value] = key + return reversed_dict