Question: NOTE : Is learning Python programming (currently on chapter 9) with the following textbook: Book Starting Out With Python 3rd Edition by Gaddis
NOTE: Is learning "Python programming" (currently on chapter 9) with the following textbook:
Book "Starting Out With Python" 3rd Edition by Gaddis


BELOW ARE ALL OF MY FILES:
visitofthehead.txt
Eldorado
By Edgar Allan Poe
Gaily bedight
A gallant knight
In sunshine and in shadow
Had journeyed long
Singing a song
In search of Eldorado
But he grew old
This knight so bold
And oer his heart a shadow
Fell as he found
No spot of ground
That looked like Eldorado
And as his strength
Failed him at length
He met a pilgrim shadow
Shadow said he
Where can it be
This land of Eldorado
Over the Mountains
Of the Moon
Down the Valley of the Shadow
Ride boldly ride
The shade replied
If you seek for Eldorado
deathandlife.txt
Death And Life
By Emily Elizabeth Dickinson
Apparently with no surprise
To any happy flower
The frost beheads it at its play
In accidental power
The blond assassin passes on
The sun proceeds unmoved
To measure off another day
For an approving God
eldorado.txt
Eldorado
By Edgar Allan Poe
Gaily bedight
A gallant knight
In sunshine and in shadow
Had journeyed long
Singing a song
In search of Eldorado
But he grew old
This knight so bold
And oer his heart a shadow
Fell as he found
No spot of ground
That looked like Eldorado
And as his strength
Failed him at length
He met a pilgrim shadow
Shadow said he
Where can it be
This land of Eldorado
Over the Mountains
Of the Moon
Down the Valley of the Shadow
Ride boldly ride
The shade replied
If you seek for Eldorado
longshadowongrass.txt
Presentiment Is That Long Shadow On The Lawn
By Emily Elizabeth Dickinson
Presentiment is that long shadow on the lawn
Indicative that suns go down
The notice to the startled grass
That darkness is about to pass
raven.txt
The Raven
By Edgar Allan Poe
Once upon a midnight dreary while I pondered weak and weary
Over many a quaint and curious volume of forgotten lore
While I nodded nearly napping suddenly there came a tapping
As of some one gently rapping rapping at my chamber door
Tis some visitor I muttered tapping at my chamber door
Only this and nothing more
Ah distinctly I remember it was in the bleak December
And each separate dying ember wrought its ghost upon the floor
Eagerly I wished the morrow vainly I had sought to borrow
From my books surcease of sorrow sorrow for the lost Lenore
For the rare and radiant maiden whom the angels name Lenore
Nameless here for evermore
And the silken sad uncertain rustling of each purple curtain
Thrilled me filled me with fantastic terrors never felt before
So that now to still the beating of my heart I stood repeating
Tis some visitor entreating entrance at my chamber door
Some late visitor entreating entrance at my chamber door
This it is and nothing more
Presently my soul grew stronger hesitating then no longer
Sir said I or Madam truly your forgiveness I implore
But the fact is I was napping and so gently you came rapping
And so faintly you came tapping tapping at my chamber door
That I scarce was sure I heard you here I opened wide the door
Darkness there and nothing more
Deep into that darkness peering long I stood there wondering fearing
Doubting dreaming dreams no mortals ever dared to dream before
But the silence was unbroken and the stillness gave no token
And the only word there spoken was the whispered word Lenore
This I whispered and an echo murmured back the word Lenore
Merely this and nothing more
Back into the chamber turning all my soul within me burning
Soon again I heard a tapping somewhat louder than before
Surely said I surely that is something at my window lattice:
Let me see then what thereat is and this mystery explore
Let my heart be still a moment and this mystery explore
Tis the wind and nothing more
Open here I flung the shutter when with many a flirt and flutter
In there stepped a stately raven of the saintly days of yore
Not the least obeisance made he not a minute stopped or stayed he
But with mien of lord or lady perched above my chamber door
Perched upon a bust of Pallas just above my chamber door
Perched and sat and nothing more
Then this ebony bird beguiling my sad fancy into smiling
By the grave and stern decorum of the countenance it wore
Though thy crest be shorn and shaven thou I said art sure no craven
Ghastly grim and ancient raven wandering from the Nightly shore
Tell me what thy lordly name is on the Nights Plutonian shore
Quoth the Raven Nevermore
Much I marveled this ungainly fowl to hear discourse so plainly
Though its answer little meaning little relevancy bore
For we cannot help agreeing that no living human being
Ever yet was blest with seeing bird above his chamber door
Bird or beast upon the sculptured bust above his chamber door
With such name as Nevermore
But the raven sitting lonely on the placid bust spoke only
That one word as if his soul in that one word he did outpour
Nothing further then he uttered not a feather then he fluttered
Till I scarcely more than muttered other friends have flown before
On the morrow he will leave me as my hopes have flown before
Then the bird said Nevermore
Startled at the stillness broken by reply so aptly spoken
Doubtless said I what it utters is its only stock and store
Caught from some unhappy master whom unmerciful Disaster
Followed fast and followed faster till his songs one burden bore
Till the dirges of his Hope that melancholy burden bore
Of Never nevermore
But the Raven still beguiling all my fancy into smiling
Straight I wheeled a cushioned seat in front of bird and bust and door
Then upon the velvet sinking I betook myself to linking
Fancy unto fancy thinking what this ominous bird of yore
What this grim ungainly ghastly gaunt and ominous bird of yore
Meant in croaking Nevermore
This I sat engaged in guessing but no syllable expressing
To the fowl whose fiery eyes now burned into my bosoms core
This and more I sat divining with my head at ease reclining
On the cushions velvet lining that the lamplight gloated oer
But whose velvet violet lining with the lamplight gloating oer
She shall press ah nevermore
Then methought the air grew denser perfumed from an unseen censer
Swung by Seraphim whose footfalls tinkled on the tufted floor
Wretch I cried thy God hath lent thee by these angels he hath sent thee
Respite respite and nepenthe from thy memories of Lenore
Quaff oh quaff this kind nepenthe and forget this lost Lenore
Quoth the Raven Nevermore
Prophet said I thing of evil prophet still if bird or devil
Whether Tempter sent or whether tempest tossed thee here ashore
Desolate yet all undaunted on this desert land enchanted
Then this ebony bird beguiling my sad fancy into smiling
By the grave and stern decorum of the countenance it wore
Though thy crest be shorn and shaven thou I said art sure no craven
Ghastly grim and ancient raven wandering from the Nightly shore
Tell me what thy lordly name is on the Nights Plutonian shore
Quoth the Raven Nevermore
Much I marveled this ungainly fowl to hear discourse so plainly
Though its answer little meaning little relevancy bore
For we cannot help agreeing that no living human being
Ever yet was blest with seeing bird above his chamber door
Bird or beast upon the sculptured bust above his chamber door
With such name as Nevermore
But the raven sitting lonely on the placid bust spoke only
That one word as if his soul in that one word he did outpour
Nothing further then he uttered not a feather then he fluttered
Till I scarcely more than muttered other friends have flown before
On the morrow he will leave me as my hopes have flown before
Then the bird said Nevermore
Startled at the stillness broken by reply so aptly spoken
Doubtless said I what it utters is its only stock and store
Caught from some unhappy master whom unmerciful Disaster
Followed fast and followed faster till his songs one burden bore
Till the dirges of his Hope that melancholy burden bore
Of Never nevermore
But the Raven still beguiling all my fancy into smiling
Straight I wheeled a cushioned seat in front of bird and bust and door
Then upon the velvet sinking I betook myself to linking
Fancy unto fancy thinking what this ominous bird of yore
What this grim ungainly ghastly gaunt and ominous bird of yore
Meant in croaking Nevermore
This I sat engaged in guessing but no syllable expressing
To the fowl whose fiery eyes now burned into my bosoms core
This and more I sat divining with my head at ease reclining
On the cushions velvet lining that the lamplight gloated oer
But whose velvet violet lining with the lamplight gloating oer
She shall press ah nevermore
Then methought the air grew denser perfumed from an unseen censer
Swung by Seraphim whose footfalls tinkled on the tufted floor
Wretch I cried thy God hath lent thee by these angels he hath sent thee
Respite respite and nepenthe from thy memories of Lenore
Quaff oh quaff this kind nepenthe and forget this lost Lenore
Quoth the Raven Nevermore
Prophet said I thing of evil prophet still if bird or devil
Whether Tempter sent or whether tempest tossed thee here ashore
Desolate yet all undaunted on this desert land enchanted
On this home by horror haunted tell me truly I implore
Is there is there balm in Gilead tell me tell me I implore
Quoth the Raven Nevermore
Prophet said I thing of evil prophet still if bird or devil
By that Heaven that bends above us by that God we both adore
Tell this soul with sorrow laden if within the distant Aidenn
It shall clasp a sainted maiden whom the angels name Lenore
Clasp a rare and radiant maiden whom the angels name Lenore
Quoth the Raven Nevermore
Be that word our sign in parting bird or fiend I shrieked upstarting
Get thee back into the tempest and the Nights Plutonian shore
Leave no black plume as a token of that lie thy soul hath spoken
Leave my loneliness unbroken quit the bust above my door
Take thy beak from out my heart and take thy form from off my
door Quoth the Raven Nevermore
And the Raven never flitting still is sitting still is sitting
On the pallid bust of Pallas just above my chamber door
And his eyes have all the seeming of a demons that is dreaming
And the lamplight oer him streaming throws his shadow on the floor
And my soul from out that shadow that lies floating on the floor
Shall be lifted nevermore
theperdigreeofhoney.txt
The Pedigree Of Honey
By Emily Elizabeth Dickinson
The pedigree of honey
Does not concern the bee
A clover any time to him
Is aristocracy
2. Write a program that reads the contents of a text file. Ask the user for the name of the text file. The program should create a dictionary in which the key-value pairs are described as follows Key. The keys are the individual words found in the file Values. Each value is a list that contains the line numbers in the file where the word (the key) is found For example, suppose the word "robot" is found in lines 7, 18, 94, and 138. The dictionary would contain an element in which the key was the string "robot", and the A131 Programming Assignment value was a list containing the numbers 7, 18, 94, and 138. Once the dictionary is built, the program should create another text file named index.txt, known as a word index, listing the contents of the dictionary. The word index file should contain an alphabetical listing of the words that are stored as keys in the dictionary, along with the line numbers where the words appear in the original file. You should use at least the following functions get words: Takes one parameter, a string containing an entire line of the file. It should strip the line, then break it into separate words (split!!). Then make all of the words lowercase, and return the list containing all of the lowercase words. . add: Takes three parameters (in this order) a dictionary of (word, list) pairs, a word to add to the dictionary, and the line number the word occurs on. The function should check if the word is already in the dictionary; if so, it should update the existing list. Otherwise, it should add the word as a key and the line number in a list as the value. Return the dictionary
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