<reponame>bpbpublications/Programming-Techniques-using-Python
#set
s1 = {1,2,3,4,1,2,3}
print(s1) # -- s1
s1.add('python')
print(s1) # -- s2
s1.remove(3)
print(s1) # -- s3
s4 = {'p','y','t','h','o','n'}
print(s4) # -- s4
print(type(s4)) # -- s5

#set
s1 = {1,2,3,4,1,2,3}
print(s1) # -- s1
s1.add('python')
print(s1) # -- s2
s1.remove(3)
print(s1) # -- s3
s4 = {'p','y','t','h','o','n'}
print(s4) # -- s4
print(type(s4)) # -- s5
#set # -- s1 # -- s2 # -- s3 # -- s4 # -- s5