Member Number, First Name, Last Name, Subject, Score 
----------------------------------------------------- 
01,Newton,Issac,Physics,144.56 
34,Einstein,Albert,Physics,12.22 
78,Feynman,Richard,Physics,-17.34 
11,Beethoven,Wolfgang,Music,11.78 
89,Merx,Eddie,Cycling,319.01 

##</code><code>##

 
client.txt                             extracts.txt 
(Member ID, Member Name)               (Member ID) 
-------------------------------        ----------------- 
017,Billy Bloggs                       024 
024,Joe Cocker                         099 
099,Mozart                             182 
116,Oliver Bierhoff 
182,Francois Mitterand 
209,Lois Lane