d <product> - discontinue the given <product>
f <customer> - find the given <customer>
h - display this help menu
i - display information about this customer database
s <product> - search for the given <product>
q - quit
r <customer> - remove the given <customer>
Enter option ( dfhisqr ): f bluesky23
bluesky23:cx26-288-137,gv59-426-358,et42-763-352,hz97-192-156,hn57-530-445,es70-741-309,ep62-262-118,hp49-688-244,hs71-704-277,bs48-271-179,ht89-391-408,ex77-378-187,hz39-671-276
Enter option ( dfhisqr ): f luckydog
customer not found
Enter option ( dfhisqr ): s cx26-288-137
cx26-288-137:buckybadger2014,bluesky23,r@nd0mn@m3,me@home.net,1luckydog
Enter option ( dfhisqr ): s cs367-002-bkk
product not found
Enter option ( dfhisqr ): i
Customers: 8, Products: 30
# of products/customer: most 16, least 3, average 9
# of customers/product: most 5, least 1, average 2
Most popular product: cx26-288-137,et42-763-352 [5]
Enter option ( dfhisqr ): r me@home.net
customer removed
Enter option ( dfhisqr ): i
Customers: 7, Products: 30
# of products/customer: most 16, least 3, average 9
# of customers/product: most 5, least 1, average 2
Most popular product: et42-763-352 [5]
Enter option ( dfhisqr ): d et42-763-352
product discontinued
Enter option ( dfhisqr ): i
Customers: 7, Products: 29
# of products/customer: most 15, least 3, average 9
# of customers/product: most 4, least 1, average 2
Most popular product: cx26-288-137,kp19-110-126 [4]
Enter option ( dfhisqr ): f me@home.net
customer not found
Enter option ( dfhisqr ): s et42-763-352
product not found
Enter option ( dfhisqr ): q
quit