#!/usr/bin/env python3 import sys def is_even(n): if n % 2 == 0: return True else: return False def draw_pyramid(size): if is_even(size): print("Bitte nur ungerade! Du Horst.") return height = 1 while (height < size): print("=" * height) height = height + 1 while (height > 0): print("=" * height) height = height - 1 def main(args): try: height = int(args[0]) draw_pyramid(height) except Exception as e: print('Please specify pyramid height') print(e) if __name__ == '__main__': args = sys.argv[1:] main(args)