Welcome to CS 106X 21 Questions!
Think of an item, and I will guess it
using a series of yes-or-no questions.
I can also learn and grow smarter over time.
Shall I recall my previous memory state? n

P)lay, R)ead, W)rite, S)tats, Q)uit? r
Input file name? questions.txt
Reading question tree ...

P)lay, R)ead, W)rite, S)tats, Q)uit? p
Is it an animal? y
Can it fly? n
Does it have a tail? n
Are you thinking of: spider? y
Hooray, I win!

P)lay, R)ead, W)rite, S)tats, Q)uit? p
Is it an animal? y
Can it fly? y
Are you thinking of: bird? n
Drat, I lost. What was your object? flying squirrel
Type a Y/N question to distinguish flying squirrel from bird: Is it furry?
And what is the answer for flying squirrel? y

P)lay, R)ead, W)rite, S)tats, Q)uit? p
Is it an animal? y
Can it fly? n
Does it have a tail? y
Does it squeak? n
Are you thinking of: lion? y
Hooray, I win!

P)lay, R)ead, W)rite, S)tats, Q)uit? s
Games won  by me : 2
Games lost by me : 1
My win percentage: 66.7

P)lay, R)ead, W)rite, S)tats, Q)uit? p
Is it an animal? n
Does it have wheels? n
Is it nice? y
Are you thinking of: section leader? y
Hooray, I win!

P)lay, R)ead, W)rite, S)tats, Q)uit? p
Is it an animal? n
Does it have wheels? n
Is it nice? n
Are you thinking of: teacher? n
Drat, I lost. What was your object? politician
Type a Y/N question to distinguish politician from teacher: Does it get elected!
And what is the answer for politician? y

P)lay, R)ead, W)rite, S)tats, Q)uit? w
Output file name? questions-out.txt
Writing question tree ...

P)lay, R)ead, W)rite, S)tats, Q)uit? q

Remembering this memory state for later ...
Thanks for playing!