python operation set

python operation set

# 1, to create the set of 
A = [ ' FDFD ' , ' hgfh ' , ' JGF ' , ' Wet ' ] 
B = SET (A) 

# 2, the increase in collection 
C = b.add ( ' hahahah ' )
 Print (C) 

# 3, the set of deleted 
c.pop () 
c.remove ( ' hahahah ' ) 
c.clear () 

# . 4, the set of modified 
c.update () 

# . 5, a set of traversal 
for I in C:
     Print (I)