filereader

print("Hello!")
print("There are two python codes.")
print("You can open code of calculator and code of math test!")
print("If you want to read code of calculator you have to write: c")
print("Or if you want to read code of math test you have to write: m")
a = input("So.. What do you want to read?: ")
if a == "c":
   f = open ('calculator.py')
   print(f.read())
   f.close()
elif a == "m":
   f = open ('MathTEST.py')
   print(f.read())
   f.close()
else:
    print("You wrote something wrong!")