add interface and start working on logic

vacancy_analyzer.py

@@ -1,5 +1,5 @@
 import json
-
+import os
 
 def load_vacancies(filepath: str) -> list[dict]:
     try:
@@ -12,7 +12,7 @@ def load_vacancies(filepath: str) -> list[dict]:
 def filter_by_city(vacancies: list[dict], city: str) -> list[dict]:
     return [i for i in vacancies if i.get('city').lower() == city.lower()]
 def filter_by_skills(vacancies: list[dict], required_skills: list[str]) -> list[dict]:
-    return []
+    return [i for i in vacancies if i.get('skills')]
 def filter_by_salary(vacancies: list[dict], min_salary: int) -> list[dict]:
     return []
 def extract_unique_companies(vacancies: list[dict]) -> list[str]:
@@ -27,9 +27,24 @@ def format_vacancy_short(vacancy: dict) -> str:
     return 
 def save_filtered_results(vacancies: list[dict], filename: str) -> bool:
     return 
+def interface():
+    os.system('cls' if os.name == 'nt' else 'clear')
+    print ("Your command:")
+    print ("1. Load form json\n2. Filter by city\n3. Filter by skils\n4. Filter by salary")
+    print ("5. Extract unique companies\n6. Extract top skills\n7. Calculate average salary")
+    print ("8. Group by company\n9. Format vacancy short\n10. Save filtred results")
+def user_chouse(user_input:int):
+    match user_input:
+        case 1:
+
+            return load_vacancies(input("Path for json: "))
+        case _:
+            print ("Error uncorrecteble number")
 def main():
-    print("Hello World")
+    interface()
+    user_input = int(input("Chouse command: "))
+    user_chouse(user_input)
 
 if __name__ =="__main__":
-    #òóïî âûâîä 
+    #вход проги 
     main()