Respuesta :
Answer:
def case_convertfile( file_name):
  with open(" new_file","x") as file:
     file.close( )
  with open("file_name", "r") as txt_file:
   while True:
      word = txt_file.readline( )
      word_split= word.split(" ")
      for word in word_split:
         upper_case = word.uppercase( )
         file= open("new_file","w+")
         file= open("new_file","a+")
         file.write(upper_case)
   txt_file.close( )
   file.close( )
Explanation:
This python function would open an existing file with read privilege and a new file with write and append privileges read and capitalize the content of the old file and store it in the new file.
