feat: First version of the script

main.py

@@ -0,0 +1,47 @@
+import copy
+import json
+import os
+import random
+
+
+def create_pairs_dict(lst: list[str]) -> dict[str, str]:
+    result = {}
+    lst_len = len(lst)
+
+    if lst_len < 2:
+        print("\033[1;31mList length should be at least 2!\033[0m")
+        raise RuntimeError
+
+    for i in range(lst_len - 1):
+        result[lst[i]] = lst[i+1]
+    result[lst[lst_len-1]] = lst[0]
+
+    return result
+
+
+# Main
+input_file = "participants.json"
+output_file = "pairs.json"
+
+
+if os.path.isfile(input_file):
+    print(f"\033[1;33mReading from {input_file}.\033[0m")
+    with open(input_file, "r", encoding="utf-8") as f:
+        participants_list = json.load(f)
+else:
+    print("\033[1;31mNo input file found! Please create participants.json file.\033[0m")
+    participants_list: list[str] = ["1", "2", "3", "4"]
+
+shuffled_list = copy.copy(participants_list)
+random.shuffle(shuffled_list)
+pairs = create_pairs_dict(shuffled_list)
+
+print(f"\033[1;33mWriting to {output_file}.\033[0m")
+with open(output_file, 'w', encoding='utf-8') as f:
+    json.dump(pairs, f, ensure_ascii=False, indent=4)
+
+print("\033[1;32mFinished!\033[0m")
+
+print("\nResults:")
+for giver, receiver in pairs.items():
+    print(f"{giver} → {receiver}")