added Python Sets and frozen set example

Author: easyawslearn

Python_Sets_Deep_dive/#1_Python_Set.py

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+# A set is an unordered collection of Unique elements.
+seta=set('abcd')
+print (seta)
+
+l = ['apple','banana','orange','graps']
+print ("object type is", type(l),)
+b=set(l) # converted List into set objects
+print ("Object Type is ", type(b),)
+
+s = {'apple','banana','orange','graps'}
+print ("object type is", type(s),)
+c=set(s) # converted List into set objects
+print ("Object Type is ", type(c),)
+
+
+example=set('abcdefg')
+print ("define variable",example)
+
+example.add('z')
+print ("define variable",example)
+
+d=example.copy()
+print("copy set example",d)
+
+example.remove('a')
+print("removed a element from example set",example)
+
+list1 = [1, 2, 3]
+list2 = [5, 6, 7]
+set1 = set(list2)
+set2 = set(list1)
+
+# Update method
+set1.update(set2)
+
+# Print the updated set
+print("set update example",set1)
+
+example.discard ('c')
+print ("discard c example",example)
+
+example.clear()
+print ("clear example",example)

Python_Sets_Deep_dive/#2_Python_frozen_set.py

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+# The frozenset() is an inbuilt function is Python which takes an iterable object as input and makes them immutable.
+# Simply it freezes the iterable objects and makes them unchangeable.
+
+# Python program to understand frozenset() function
+
+# set declaration
+number = {1, 2, 3, 4, 5, 6, 7, 8, 9}
+
+print ("Object type of number is ",type(number))
+# converting Sets to frozenset
+fnumber = frozenset(number)
+print ("object type of fnumber is ",type(fnumber))
+
+# printing details
+print("frozenset Object is : ", fnumber)
+
+# Python program to understand use
+# of frozenset function
+
+# creating a dictionary
+info = {"fname": "vijay", "age": 30, "sex": "Male",}
+
+# making keys of dictionary as frozenset
+key = frozenset(info)
+
+# printing keys details
+print('The frozen set is:', key)
+
+# Python program to understand
+# use of frozenset function
+
+# below line will generate error
+#TypeError: 'frozenset' object does not support item assignment
+fnumber[1] = "11"