python basis of a day15 jobs

3. The process file, the user specifies the contents to find the file and the file contains the content to find each row to the screen 
DEF check_file (filename, AIM): 
    with Open (filename, encoding = 'UTF-. 8') AS f: # handle: handler, operator files, a file handle 
        for I in F: 
            IF I in AIM: 
                the yield I 

G = check_file ( 'review. 1 .py.', 'producer') 
for I in G: 
    Print (I .strip ()) 

4. sketch generator reads from the file, before each coupled to read the contents of '***' after then returned to the user. 
check_file DEF (filename): 
    with Open (filename, encoding = 'UTF-. 8') AS F: # Handle: handler, operator files, a file handle 
        for I in F: 
            the yield '***' + I 

for I in check_file ( '1. review .py'): 
    Print (i.strip ())