A: --------------------------------------
ps1:
This set has the following 
number of elements is 0 array size is 256


ps2:
This set has the following 
number of elements is 0 array size is 256


ps3:
This set has the following 
number of elements is 0 array size is 256


B: --------------------------------------
no elements ps1:0
is empty ps1:1
ps1 has p1:0
ps1:
This set has the following 
number of elements is 2 array size is 256
0 0
2 3


no elements ps1:2
is empty ps1:0
ps1 has p1:1
ps1 has p2:1
ps1 has p3:0
C: --------------------------------------
ps3:
This set has the following 
number of elements is 4 array size is 256
0 0
2 3
-5 5
1 1


ps1:
This set has the following 
number of elements is 3 array size is 256
2 3
-5 5
1 1


ps1 has p1:0
ps1:
This set has the following 
number of elements is 2 array size is 256
2 3
-5 5


ps1 has p4:0
D: --------------------------------------
ps2:
This set has the following 
number of elements is 4 array size is 256
0 0
2 3
-5 5
1 1


ps2:
This set has the following 
number of elements is 4 array size is 256
2 3
-5 5
0 0
1 1


E: --------------------------------------
ps2:
This set has the following 
number of elements is 2 array size is 256
2 3
-5 5


ps2:
This set has the following 
number of elements is 2 array size is 256
2 3
-5 5


F: --------------------------------------
ps1:
This set has the following 
number of elements is 11 array size is 256
1 8
5 9
6 8
-9 -7
13 14
8 6
2 1
5 6
-11 17
10 20
3 7


ps2:
This set has the following 
number of elements is 0 array size is 256


ps2:
This set has the following 
number of elements is 10 array size is 256
71 53
78 39
27 15
58 17
82 91
20 76
42 86
64 44
97 14
98 25


G: --------------------------------------
ps1==ps2:0
ps1!=ps2:1
ps2==ps2:1
ps2==ps2:0
H: --------------------------------------
ps1==ps2:0
ps2==ps1:0
ps1!=ps2:1
ps2==ps2:1
ps2!=ps2:0
I: --------------------------------------
ps4:
This set has the following 
number of elements is 0 array size is 2


ps4:
This set has the following 
number of elements is 3 array size is 4
0 0
2 3
-5 5


ps4:
This set has the following 
number of elements is 11 array size is 256
1 8
5 9
6 8
-9 -7
13 14
8 6
2 1
5 6
-11 17
10 20
3 7


J: --------------------------------------