2019.11.3 collection of knowledge Review

# Day set of knowledge summary 
setl = SET ({l, 2,3 }) 
SET2 = {1,2,3,4,5 }
 # set1.add ( "Stayed") 
# set1.update ( "ABC") 
# # set1.pop () 
# set1.remove ( 'A') 
# set1.clear () 
# del setl 
for I in SET2:
     Print (I, type (I))
 # intersection 
Print (SET2 & setl)
 # union 
Print (SET2 | SET1)
 # returns set 
Print (^ SET2 SET1)
 # difference set 
Print (SET2 -setl)
 # subset and superset 
Print (SET2> setl)
 Print (setl <SET2)