1. Once open a file into the variable "filetxt" generate a function to search the identifier: "Resultados de la optimizacion". 2. Now read and report the next 48 lines only

def Read(filetxt):
  while True:
    line = filetxt.readline()
    if "Resultados de la optimizacion" in line:
      break
  for i in range(48):
    print(filetxt.readline())