This info is for a previous question.

So here is how the txt file looks.

Cape Girardeau, MO 63780

Columbia, MO65201

Kansas City, MO 64108

Rolla,MO65402

Springfield, MO65897

St. Joseph, MO64504

St Louis,MO63111

Ames,IA 50010

Enid, OK 73773

West Palm Beach, FL 33412

International Falls, MN 56649

Frostbite Falls,MN56650

Then after we run the code it needs to appear like below with the two added cities:

Cape Girardeau MO 63780 Columbia MO 65201 Kansas City MO 64108 Rolla MO 65402 Springfield MO 65897 St. Joseph MO 64504 St Louis MO 63111 Ames IA 50010 Enid OK 73773 West Palm Beach FL 33412 International Falls MN 56649 Frostbite Falls MN 56650 Salt Lake City UT 84103 El Mirage AZ 85335