books$\_$by$\_$author

Define a function named books$\_$by$\_$author with two parameters; the first is of

type str denoting an intended author name and the second is of type list$[$Book$]($Book is

defined in the provided data.py file$).$ This function must return a list of all books $($of type

list$[$Book$])$ in the input list written by the author specified in the first parameter.

This function might be used to find books by a favorite or a recommended author.# Representation of a book.

class Book:

# Initialize a new Book object.

# input: the book's authors as a list of strings

# input: the book's title as a string

def $($self$,$ authors: list$[$str$],$ title: str$)$:

self.authors $=$ authors

self.title $=$ title

# Provide a developer$-$friendly string representation of the object.

# input: Book for which a string representation is desired.

# output: string representation

def repr $($self$)$:

return "Book$(\{\},\text{'}\{\}\text{'})".$format$(*$args: self.authors, self.title$)$

# Compare the Book object with another value to determine equality.

# input: Book against which to compare

# input: Another value to compare to the Book

# output: boolean indicating equality

def eq $($self$,$ other$)$:

return $($self is other or

type$($other$)==$ Book and

self.authors $==$ other.authors and

self.title $==$ other.title$)$