script.py

def something(n):
    sequence = [0, 1]
    while len(sequence) < n:
        sequence.append(sequence[-1] + sequence[-2])
    return sequence[:n]

try:
    n = int(input("Enter how many numbers you want: "))
    if n <= 0:
        print("Please enter a positive integer.")
    else:
        print(f"First {n} numbers:", something(n))
except ValueError:
    print("Invalid input. Please enter an integer.")