import random
 
def create_array(number_of_elements: int = 50) -> list:
    arr = []
    for _ in range(number_of_elements):
        arr.append(random.randint(1, 100))
    return arr
 
def find_element(list, needle: int): 
    list_copy = list.copy()
    list_copy.append(needle)
    watcher_index = len(list_copy) - 1
    for i in range(len(list_copy)):
        if list_copy[i] == needle and i != watcher_index:
            return i
 
    return None
 
array_of_elements = create_array(50)
element_to_find = int(input("Wprowadź element do wyszukania: "))
element_position = find_element(array_of_elements, element_to_find)
print("Przeszukiwana tablica: ")
print(array_of_elements)
if element_position is None:
    print("Szukanego elementu nie ma w tej tablicy.")
else:
    print(f"Szukany element znajduje się w tablicy po raz pierwszy na pozycji {element_position}.")
 

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