From c940c48029cc8c4ca0f26bc3934c737a22143507 Mon Sep 17 00:00:00 2001 From: Sergenops Date: Mon, 9 Nov 2026 19:06:25 +0300 Subject: [PATCH] Add functions for removing duplicates and counting items --- Week03/sequences_sergen_maksutlar.py | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Week03/sequences_sergen_maksutlar.py diff --git a/Week03/sequences_sergen_maksutlar.py b/Week03/sequences_sergen_maksutlar.py new file mode 100644 index 00000000..fb239ae6 --- /dev/null +++ b/Week03/sequences_sergen_maksutlar.py @@ -0,0 +1,23 @@ +def remove_duplicates(seq: list) -> list: + seen = set() + result = [] + for item in seq: + if item not in seen: + seen.add(item) + result.append(item) + return result + +def list_counts(seq: list) -> dict: + result = {} + for item in seq: + if item in result: + result[item] += 1 + else: + result[item] = 1 + return result + +def reverse_dict(d: dict) -> dict: + reversed_d = {} + for key, value in d.items(): + reversed_d[value] = key + return reversed_d