find and Erase and Replacing Characters from single string input
Like : "geeksforgeeks" and "gkf" o/p "eesorees"
"propellente" and "pe" "rollnte"
"how are you" and "ha" o/p"ow re you"
Few of sample test data as follows A. Input Params– "geeksforgeeks" and "mask" Output – “geeforgee” B. Input params - "Here we are coding" and "ecg" C. output expected- "Hr w ar odin"