code: def test_float_from_address(self):
      for t in float_types:
          a = array.array(t._type_, [3.14])
          v = t.from_address(a.buffer_info()[0])
          self.assertEqual(v.value, a[0])
          self.assertIs(type(v), t)
          a[0] = 2.3456e17
          self.assertEqual(v.value, a[0])
          self.assertIs(type(v), t)
  
imports: import array
  import struct
  import sys
  import unittest
  from operator import truth
  from ctypes import byref, sizeof, alignment, c_char, c_byte, c_ubyte, c_short, c_ushort, c_int, c_uint, c_long, c_ulong, c_longlong, c_ulonglong, c_float, c_double, c_longdouble, c_bool
label_desc: Use image node_id 13 for calling the NumberTestCase obj's underlying member method code with example usage: obj.test_float_from_address() without return types