This script generates a series of hash banners based on the golden ratio, making each line progressively shorter to fit within the aesthetic proportions of the golden ratio.

golden.py

def golden_ratio_banner(depth, max_length):
    # Golden ratio value
    phi = (1 + 5**0.5) / 2

    # Calculate and print each level based on the golden ratio
    for i in range(depth):
        length = round(max_length / (phi**i))
        print("#" * length)


if __name__ == "__main__":
    # Ask the user for the initial length (max length) with default value
    max_length_input = input("Enter the initial length (max length) [80]: ")
    max_length = int(max_length_input) if max_length_input else 80

    # Ask the user how many levels deep they want with default value
    depth_input = input("Enter the number of levels deep you want [5]: ")
    depth = int(depth_input) if depth_input else 5

    golden_ratio_banner(depth, max_length)