Write a function to convert all possible convertible elements in the list to float.
def list_to_float(test_list):
  res = []
  for tup in test_list:
    temp = []
    for ele in tup:
      if ele.isalpha():
        temp.append(ele)
      else:
        temp.append(float(ele))
    res.append((temp[0],temp[1])) 
  return (str(res)) 
<s>[INST]<<SYS>>Given a task and its code, generate test cases for the code.<</SYS>>Write a function to convert all possible convertible elements in the list to float.
def list_to_float(test_list):
  res = []
  for tup in test_list:
    temp = []
    for ele in tup:
      if ele.isalpha():
        temp.append(ele)
      else:
        temp.append(float(ele))
    res.append((temp[0],temp[1])) 
  return (str(res)) [/INST]assert list_to_float( [("3", "4"), ("1", "26.45"), ("7.32", "8"), ("4", "8")] ) == '[(3.0, 4.0), (1.0, 26.45), (7.32, 8.0), (4.0, 8.0)]'
assert list_to_float( [("4", "4"), ("2", "27"), ("4.12", "9"), ("7", "11")] ) == '[(4.0, 4.0), (2.0, 27.0), (4.12, 9.0), (7.0, 11.0)]'
assert list_to_float( [("6", "78"), ("5", "26.45"), ("1.33", "4"), ("82", "13")] ) == '[(6.0, 78.0), (5.0, 26.45), (1.33, 4.0), (82.0, 13.0)]'</s>