import re
import ast

tempprices = "0.0, 82.00.0,...., 82.0, 55.55 66.6666 777.777\n"
cells = tempprices.split(',')
temp =[]
for t in cells:
	temp.extend(map(ast.literal_eval,re.findall(r'-?\d+\.\d{1,2}', t)))
print(temp)