Update find_sum_from_string.md

Author: umathomprakash09

problems/string/find_sum_from_string.md

@@ -1,3 +1,5 @@
 03Ju23st 15te5ll10 12me6 3the ti45me 09f567or 06bu7s 23
+
 From the Given string print sum of the numbers given in the string
-3+23+15+5+10+12+6+3+45+9+567+6+7+23=734
+
+3+23+15+5+10+12+6+3+45+9+567+6+7+23=734