code: def vector_check(vector):
      """
      Check input vector items type.
  
      :param vector: input vector
      :type vector: list
      :return: bool
      """
      for i in vector:
          if isinstance(i, (int, numpy.integer)) is False:
              return False
          if i < 0:
              return False
      return True
  
imports: from __future__ import division
  import sys
  import math
  import numpy
  import re
  from .pycm_param import *
  from .pycm_error import pycmMatrixError
  from warnings import warn
  from functools import wraps
label_desc: Use image node_id 5 for calling a global function with example usage: vector_check(vector) and returns: True, False, False