Part I: Deleting Duplicate Addresses ( 5 points) ( Place your answer to this problem in the duplicates . py file ) Many e - mail servers...

i am confused about some of the steps in this assignment

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Part I: Deleting Duplicate Addresses ( 5 points)( Place your answer to this problem in the "duplicates . py " file )Many e - mail servers ignore the presence of periods in the username part of an e - mail address : Foo . bar Amai ] server . comand Foobar @ mail server . com are considered to be the same address ( Foobar Email . server . com is treated as adifferent address , since there's an extra period after the " ( " sign ) .Complete the duplicates ! ! function , which takes a list of strings ( representing e - mail addresses ) . The function returnsa new list of strings that contains exactly one copy of each unique e - mail address fromfrom the parameter , accounting for andremoving duplicates as described above . The username for each unique address MUST NOT include any periods !You may assume that every address is all- lowercase and well- formed in that it contains exactly one " @ " symbol and does notend in a period . Note that a given address may contain multiple periods in its username : a . b . co Foo . com is equivalent toabc@Foo . com , which is the same as ab . coFoo . com and a . bcd Foo . com .Examples :Function CallReturn Value*duplicates ! !'" daveedam . e . com " , " daveedAme . com " ,[ " daveedam . e . com " ," si . mo . ne Asbeg . lobal . net " , " day . cedeme . com "' ] !" daveedeme . com " ," simone Asbeg . lobal . net "' ]duplicates ! !'" jim . mich . jefficloud . com " .[ " jimmichie Pic loud . com " ," jimmichie Bicloud . com " , " si . mo . ne Esbe . global . net " ," simone A she . global . net " ," sol . among icloud . com " , " doug . ifveri . zon . net " ," solomon { icloud . com " ," daveedam . e . com " , " jim . mich . je ficl . oud . com " ," doug javeri . zon . net "" ryanshaw @ gmail . com " , " daveedam . ec . om " ] !" daveedam . S . com "" jimmichie ficl . oud . com " ," ryanshaw & gmail . com " ," daveedEm . cc . com " ]