Intersection operation on sets: • A set is an unordered collection of unique elements. • The set may contain different types of data; it can be numbers, characters, strings, and also class objects. • Intersection operation of two sets will return the common elements of the two sets. • Thus, if intersection is taken between“set1” and “set2”, then the common elements of “set1” and “set2” will produce the intersection set. • In Python “&” operator or “intersection()” method can be used to find the intersection of two sets. Algorithm : Algorithm to create a set “set3” that contains only the common elements of sets “set1” and “set2” is as follows: • Use “set()” method to create the set “set1” by passing member elements list as an argument. ○ set1=set(memberList) • Use “set()” method to create the set “set2” by passing member elements list as argument. ○ set2=set(memberList) • Find the intersection of sets “set1” and “set2” using “intersection()” method and assign the resulting set to set variable “set3”. ○ set3=set1.intersection(set2)

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Chapter 9, Problem 7AW

Program Plan Intro

Intersection operation on sets:

• A set is an unordered collection of unique elements.

• The set may contain different types of data; it can be numbers, characters, strings, and also class objects.

• Intersection operation of two sets will return the common elements of the two sets.

• Thus, if intersection is taken between“set1” and “set2”, then the common elements of “set1” and “set2” will produce the intersection set.

• In Python “&” operator or “intersection()” method can be used to find the intersection of two sets.

Algorithm:

Algorithm to create a set “set3” that contains only the common elements of sets “set1” and “set2” is as follows:

• Use “set()” method to create the set “set1” by passing member elements list as an argument.

○ set1=set(memberList)

• Use “set()” method to create the set “set2” by passing member elements list as argument.

○ set2=set(memberList)

• Find the intersection of sets “set1” and “set2” using “intersection()” method and assign the resulting set to set variable “set3”.

○ set3=set1.intersection(set2)

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