text: calculating ways for arranging vowels
code: def waysOfVowels ( size2 , freq ) : NEW_LINE INDENT return ( fact ( size2 ) // ( fact ( freq [ 0 ] ) * fact ( freq [ 4 ] ) * fact ( freq [ 8 ] ) * fact ( freq [ 14 ] ) * fact ( freq [ 20 ] ) ) ) NEW_LINE DEDENT