code: def sphere(p):
      # Sphere函数
      out_put = 0
      for i in p:
          out_put += i**2
      return out_put
  
file_path: scikit-opt/sko/demo_func.py
imports: import numpy
  from scipy import spatial
label_desc: Use image node_id 2 for calling a global function with example usage: sphere(p) and returns: out_put