Set Operations(union, intersection, difference and symmetric difference) using Python

Following program will help university students and beginners to understand the python set operations (union, intersection, difference and symmetric difference)

"""
Author : ITVoyagers (itvoyagers.in)

Date :1st February 2020

Description : Program to implement Sets and various operations on Sets.
"""
#Implement use of Sets and various operations on Sets.
fruits={"apples","orange","mango","peach","grapes"}
shades={"blue","pink","black","voilet","white","orange"}
print('union',fruits.union(shades))
print('intersection',fruits.intersection(shades))
print('fruits-shades:',fruits-shades)
print('shades-fruits:',shades-fruits)
print('fruits^shades:',fruits^shades)
fruits.add('pear')
print('after fruits.add("pear"):',fruits)
shades.update('orange','red')
print('shades.update("orange","red")):',shades)
fruits.pop()
print('fruits.pop():',fruits)
fruits.remove('peach')
print("fruits.remove('peach'):",fruits)
#operation on set
A=set(["1","2"])
B=set(["3","2"])

#union
set_union=A.union(B)
print('union',set_union)

#intersection
set_intersection=A & B
print("A intersection B",set_intersection)

#set difference
set_difference=A-set_intersection
print('difference',set_difference)

#symmetric difference
set_symmetric_difference=A^B
print("symetric difference",set_symmetric_difference)

#subset
issubset=A<=B
print('issubset:',issubset)

#superset
issuperset=A>=B
print('issuperset',issuperset)

#copy
set_copy=A.copy()
print('original',A)
print('copy',set_copy)

#Clear 
set_to_clear=A.copy()
print('set before use of clear function ',set_to_clear)
set_to_clear.clear()
print('set after use of clear function ',set_to_clear)

#symetric_difference_update
set1=A.symmetric_difference_update(B)
print(set1)

#check the disjoint
print('is A is disjoint B?',A.isdisjoint(B))
print('is A is disjoint A?',A.isdisjoint(A))     

OUTPUT

>>> 
union {'orange', 'mango', 'grapes', 'apples', 'blue', 'white', 'voilet', 'black', 'peach', 'pink'}
intersection {'orange'}
fruits-shades: {'mango', 'grapes', 'apples', 'peach'}
shades-fruits: {'voilet', 'black', 'blue', 'pink', 'white'}
fruits^shades: {'mango', 'grapes', 'apples', 'blue', 'white', 'voilet', 'black', 'pink', 'peach'}
after fruits.add("pear"): {'orange', 'mango', 'grapes', 'apples', 'peach', 'pear'}
shades.update("orange","red")): {'orange', 'd', 'o', 'g', 'blue', 'a', 'n', 'e', 'white', 'voilet', 'black', 'r', 'pink'}
fruits.pop(): {'mango', 'grapes', 'apples', 'peach', 'pear'}
fruits.remove('peach'): {'mango', 'grapes', 'apples', 'pear'}
union {'2', '1', '3'}
A intersection B {'2'}
difference {'1'}
symetric difference {'1', '3'}
issubset: False
issuperset False
original {'2', '1'}
copy {'2', '1'}
set before use of clear function  {'2', '1'}
set after use of clear function  set()
None
is A is disjoint B? False
is A is disjoint A? False

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