Python experiment operation problem, urgent

(2)with as f I in range( 10)f . write(str(I))

2. Write any text by additionally opening the E:\aa.txt file, and use "end" as the ending symbol.

Use open(r'E:\aa.txt',' a') as f:

For I( 10) in the range:

F.write ('any character')

3. Open the e:\aa.txt file and copy the file contents to the e:\bb.txt file.

Use open(r'e:\aa.txt') as f:

content = f.read()

Use open(r'e:\bb.txt',' a') as f:

F.write (content)