program deriveDataType
!type declaration
type Books
character(len = 50) :: title
character(len = 50) :: author
character(len = 150) :: subject
integer :: book_id
end type Books
!declaring array of books
type(Books), dimension(2) :: list
!accessing the components of the structure
list(1)%title = "C Programming"
list(1)%author = "Nuha Ali"
list(1)%subject = "C Programming Tutorial"
list(1)%book_id = 6495407
list(2)%title = "Telecom Billing"
list(2)%author = "Zara Ali"
list(2)%subject = "Telecom Billing Tutorial"
list(2)%book_id = 6495700
!display book info
Print *, list(1)%title
Print *, list(1)%author
Print *, list(1)%subject
Print *, list(1)%book_id
Print *, list(1)%title
Print *, list(2)%author
Print *, list(2)%subject
Print *, list(2)%book_id
end program deriveDataType
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