code: def bob_public_key(b_pr_k, a, p):
      """Bob calculate his public key
      with his private key.
      This is open to public"""
      return pow(a, b_pr_k) % p
  
file_path: keon-algos/algorithms/maths/diffie_hellman_key_exchange.py
imports: import math
  from random import randint
label_desc: Use image node_id 8 for calling a global function with example usage: bob_public_key(b_pr_k, a, p) and returns: unknown