code: def nth_fibonacci_8(n):
      golden_ratio = (1 + math.sqrt(5)) / 2
      return int((1 + math.pow(golden_ratio, n)) / math.sqrt(5))
  
file_path: coding-problems/Other/nth_fibonacci_number.py
imports: import math
label_desc: Use image node_id 10 for calling a global function with example usage: nth_fibonacci_8(n) and returns: int