From fa64daaefd70af0ef532461323b9e0a679c02b5f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Efe=20=C5=9Eamil=20Sar=C4=B1g=C3=BCl?= Date: Tue, 3 Nov 2026 20:03:34 +0300 Subject: [PATCH] Implement utility functions for list and dict operations Added functions to remove duplicates, count occurrences, and reverse dictionary. --- Week03/sequences_efe_samil_sarigul.py | 31 +++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Week03/sequences_efe_samil_sarigul.py diff --git a/Week03/sequences_efe_samil_sarigul.py b/Week03/sequences_efe_samil_sarigul.py new file mode 100644 index 00000000..c75894b8 --- /dev/null +++ b/Week03/sequences_efe_samil_sarigul.py @@ -0,0 +1,31 @@ +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: + counts[item] = seq.count(item) + return counts + + +def reverse_dict(d: dict) -> dict: + """ + This function reverses the keys + and values of a dictionary. + """ + result = {} + for k, v in d.items(): + result[v] = k + return result