code: def rand_color() -> str:
      return random.choice(
          [
              "#c23531",
              "#2f4554",
              "#61a0a8",
              "#d48265",
              "#749f83",
              "#ca8622",
              "#bda29a",
              "#6e7074",
              "#546570",
              "#c4ccd3",
              "#f05b72",
              "#444693",
              "#726930",
              "#b2d235",
              "#6d8346",
              "#ac6767",
              "#1d953f",
              "#6950a1",
          ]
      )
  
file_path: pyecharts/pyecharts/faker.py
imports: import os
  import random
label_desc: Use image node_id 3 for calling the _Faker obj's underlying member method code with example usage: obj.rand_color() and returns: random