def genUniversal():
universal = aset()
for index in range(-6, 13, 1):
universal.insert(index)
# for index in universal.list:
# print(index,end='')
return universal
def union(set1, set2):
output = aset()
for index in set1.list:
output.insert(index)
for index in set2.list:
output.insert(index)
return output
def xor(set1, set2):
output = aset()
for index in set1.list:
if not set2.contains(index):
output.insert(index)
for index in set2.list:
if not set1.contains(index):
output.insert(index)
return output
def powerSet(set1):
output = aset()
def cross(set1, set2):
output = aset()
for i in set1.list:
for j in set2.list:
output.insert((i, j))
return output
def difference(set1, set2):
output = aset()
for index in set1.list:
if not set2.contains(index):
output.insert(index)
return output
def intersection(set1, set2):
output = aset()
for index in set1.list:
if set2.contains(index):
output.insert(index)
return output
def cross(set1, set2):
output = aset()
for i in set1.list:
for j in set2.list:
output.insert((i, j))
return output
def powerSet(set1):
output = aset()
# to be written
if __name__ == "__main__":
asdf = aset()
a = aset()
b = aset()
c = aset()
d = aset()
e = aset()
f = aset()
g = aset()
a.insertList([1, 3, 5, 7, 9, 11])
b.insertList([-3, -2, -1, 0, 1, 2, 3])
c.insertList([-6, -4, -2, 0, 2, 4, 6, 8, 10, 12])
d.insertList([-6, -5, -4, -3, -2, -1, 0])
e.insertList([2, 4, 6])
f.insertList([1, 2, 3, 4, 5])
g.insertList([0, 1])
print("a", end="")