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Author: GeekTrainer

Office Docs/1 Getting Started.pptx

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+
+#Declare variables to hold the file name and access mode
+fileName = "GuestList.txt"
+accessMode = "w"
+
+#Open the file for writing
+myFile = open(fileName, accessMode)
+
+#Write the guest names and ages to the file
+for index in range(5) :
+    name = input("Enter guest name: " )
+    age = input("Enter guest age: " )
+    myFile.write(name + "," + age  + "\n")
+
+#Close the file
+myFile.close()

Office Docs/10 Remembering lists.pptx

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+
+#Declare variables to hold the file name and access mode
+fileName = "GuestList.txt"
+accessMode = "w"
+
+#Open the file for writing
+myFile = open(fileName, accessMode)
+
+#Write the guest names and ages to the file
+
+#I can write an entire record in one write statement
+myFile.write("Doyle McCarty,27\n")
+myFile.write("Jodi Mills,25\n")
+myFile.write("Nicholas Rose,32\n")
+#I could write the name and age in separate write statements
+myFile.write("Kian Goddard")
+myFile.write(",36\n")
+myFile.write("Zuha Hanania")
+myFile.write(",26\n")
+
+#Close the file
+myFile.close()
+

Office Docs/11 How to save information in files.pptx

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+#import the csv library which contains functions to help you work with CSV files
+import csv 
+
+#Declare variables to hold the file name and access mode
+fileName = "GuestList.txt"
+accessMode = "r"
+
+#open the file 
+with open(fileName, accessMode) as myCSVFile:
+    #Read the file contents 
+    #specify that we are using a comma to separate the values in the file
+    dataFromFile = csv.reader(myCSVFile, delimiter =",")
+
+    #Create a for loop that will run once for each row in the list
+    for row in dataFromFile :
+        #print an entire row at a time in a list format
+        print(row) 
+
+        #print the entire row separating the values in the list with a comma
+        print (', '.join(row))
+
+        #Print each indivudal value in each row
+        for value in row :
+            print(value + "\n")
+
+#Close the file
+myCSVFile.close()

Office Docs/12 Reading from files.pptx

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+def writeText(data, filename):
+    file = open(filename, mode = 'w')
+    file.write(data)
+    return
+
+writeText('Hello, world.', 'c:\\users\\chharri\\documents\\hello.txt')

Office Docs/13 Functions.pptx

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+#import libraries we will use
+import sys
+
+#Declare variables
+filename = ""
+fileContents = ""
+
+#Ask the user for the filename
+filename = input("PLease specify the name of the file to read ")
+
+#open the file, since you may get an error when you attempt to open the file 
+#For example the file specified may not exist
+#put a try except statement around the command
+try :   
+    myFile = open(filename, "r")
+
+    #I am using a boolean variable to determine if the file was found
+    #That waythe code will only attempt to read the file if it was found succesfully
+    fileFound = True
+
+#Handle the FileNotFoundError
+except FileNotFoundError :
+    print("Could not locate file " + filename)
+    fileFound = False
+
+#Other errors could occur, perhaps the file is coorupte, or I do not have permissions on the file
+except :
+    error = sys.exc_info()
+    print(error)
+    fileFound = False
+
+#if the file was opened successfully read the contents and display the contents to the user
+if  fileFound :
+    #Get the file contents into a string
+    fileContents = myFile.read()
+    print(fileContents)
+#print the results 

Office Docs/14 Handling errors.pptx

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+#Import the libraries we need for the program
+import fileinput
+
+#This is the main function, by declaring a main function and then calling it after all the function definitions
+#We can list the functions in our code in the order we want, if we didn't have a mainfunction() we would have needed to list all the functions
+#our code called first, which might be a bit hard to read.
+def mainFunction():
+
+    #Because this is a fairly long piece of code to write, we have broken up the work into a number of functions
+    #To try and make it a little easier to read
+
+    #Step 1 - Ask the user to enter their text message
+    #By using a print and then an input statement you give a fresh new line to type in their text message
+    print("Please enter the message (no punctuation please):")
+    txtMessage = input(">") 
+
+    #Step 2 use the split function to get a list that contains all the words in the text message
+    messageWords = txtMessage.split()
+
+    #The translationFileName should contain the name of the file that contains the list of Text message abbreviations
+    #and their corresponding translations
+    translationFileName = "Translations.txt"
+
+    #call the function we created below to make sure our translation file exists
+    # If the file is found it will return a 0
+    # If the file is not found it will return a 1
+    fileFound = fileCheck(translationFileName)
+
+    if fileFound == 0 :
+
+        #Step 3 a) b) c) Call the function we created below to get back two lists, a list of the abbreviations and a list of the translations
+        allAbbreviations, allTranslations = dictionaryList(translationFileName) 
+
+        #Step 3 d) e) Call the function we created below to get back a string containing the translated text message
+        translatedMessage = compare(messageWords, allAbbreviations, allTranslations) # the final list of words for the message
+
+        #Step 4) Print the translated message to the user
+        print(translatedMessage)
+    else : 
+        print("Could not translate message, file containing translation terms could not be located.")
+
+#This function will check if a specified file exists.
+#If the file exists it will not display any error messages
+#If the file does not exist it will display an error message and restart the program.
+#Accepts one parameter
+#   filename the name of the file to check exists
+#Returns one value
+#   0 indicates the file was succesfully located
+#   1 indicates the file could not be located
+def fileCheck(fileName):
+    try:
+        fileObj = open(fileName) #will try to open the file specified
+        return 0
+    except IOError: #will handle the exception
+        print("Could not locate the file " + fileName)
+        return 1
+
+#This function accepts the name of a file that contains abbreviations and translations
+#It will return two lists - one containing all the abbreviations, the other containing the translations
+#Accepts one parameter
+#   fileName    the name of the file containing the abbreviations and translations
+#Returns two values
+#   A list of abbreviations from the file
+#   A list of translations from the file
+# This function assumes the file will have the format
+#   abbreviation - definition
+def dictionaryList(fileName):
+
+    #Declare the lists to be populated and returned
+    allAbbreviations = []
+    allTranslations = []
+
+    #Step 3 a) open the file
+    fileObj = open(fileName)
+
+    for line in iter(fileObj): #This for loop will read the file line by line
+        #Take each line in the file and split it into a list of words 
+        #LOL - Laughing out Loud will return a list containing ["LOL","-","Laughing","Out","Loud"]
+        wordsInTheLine = line.split() 
+
+        #Step 3 b)The first word in the list is the abbreviation, add that to our list of allAbbreviations
+        allAbbreviations.append(wordsInTheLine[0])
+
+        #Step 3 c) Now this is the tricky part because we need to take all the remaining words in the list and together they make up our translation
+        # e.g. if the line in the file returned ["LOL","-","Laughing","Out","Loud"]
+        # we need to combine the words "Laughing","Out","Loud" to get our translation
+        #It would be easier if we just had one word translations then we could just add words[1] to our translations list
+        #But solving problems isn't always easy!
+
+        translation = ""
+
+        #Find out how many words total are in the line read from the file
+        totalNumberOfWords = len(wordsInTheLine)
+
+        #Start with the word at position 2 in the list, this allows us to skip the abbreviation and the hyphen 
+        for x in range(2,totalNumberOfWords):
+            #now take each word starting with the third word (index 2) until the last word and concatentate them together
+            #with a space between each word
+            translation = translation + wordsInTheLine[x] + " " 
+        
+        #add the translation to our list of translations    
+        allTranslations.append(translation)
+
+    #return the two lists: the list of abbreviations and the list of translations
+    return (allAbbreviations, allTranslations)
+
+
+#this function will go through each word in the message
+#And search for it in the list of abbreviations
+#If found in the list of abbreviations it will fetch the corresponding translation (same index number) from the list of translations
+#then it will concatenate each of the translations to create the translated text message
+#This function accepts three parameters
+#   messageWords - this is the list of words in the text message to be translated
+#   allAbbreviations - this is the list containing all possible text message abbreviations we can translate
+#   allTranslations - this is the list containing all the translations for each text message abbreviation
+#This function returns one value
+#   finalMessage    - a string that is the translated text message
+def compare(messageWords, allAbbreviations, allTranslations):
+    
+    finalMessage = ""
+    
+    #Step 3 d) Create a loop that will execute once for each word in our list of words in the text message
+    for wordPosition in range(0, len(messageWords)):
+        #Fetch the next word from our list of words in the text message
+        currentWord = messageWords[wordPosition]
+
+        try :
+            #3 d) search the abbreviation list for the current word
+            matchPosition = allAbbreviations.index(currentWord.upper())
+
+            #3 e) If you find a match get the translation from the list of definitions
+            finalMessage = finalMessage + " " + allTranslations[matchPosition]
+        except :
+            #If no match is found by the index() search an exception is raised, which means no match was found
+            #If no match was found just display the original word in the final message
+            finalMessage = finalMessage + " " + currentWord 
+            
+    return (finalMessage)
+
+mainFunction()

Office Docs/15 Problem to Code Challenge Message Converter.pptx

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+print('There once was a movie star icon')
+print('who preferred to sleep with the light on')
+print('They learned how to code')
+print('a device that sure glowed')
+print('and lit up the night using Python!')

Office Docs/2 Displaying Text.pptx

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+#initialize the variables
+girldescription = " " 
+boydescription = " " 
+walkdescription = " " 
+girlname = " "
+boyname = " "
+animal = " "
+gift = " " 
+answer = " "
+
+#Ask the user to specify values for the variables
+girlname = input("Enter a girl's name: ")
+boyname = input("Enter a boy's name: " )
+animal = input("Name a type of animal: " )
+gift = input("Name something you find in the bathroom: ")
+girldescription = input("Enter a description of a flower: ")
+boydescription = input("Enter a description of a car: ")
+walkdescription = input("Enter a description of how you might dance: " )
+answer = input("What would you say to someone who gave you a cow: ")
+
+#Display the story
+#Don't forget to format the strings when they are displayed
+print ("Once upon a time,")
+print("there was a girl named " + girlname.capitalize() + ".")
+print("One day, " + girlname.capitalize() + " was walking " + walkdescription.lower() + " down the street.")
+print("Then she met a " + boydescription.lower() + " boy named " + boyname.capitalize() + ".")
+print("He said, 'You are really " + girldescription.lower() + "!'")
+print("She said '" + answer.capitalize() + ", " + boyname.capitalize() + ".'")
+print("Then they both rode away on a " + animal.lower() + " and lived happily ever after.")

Office Docs/3 String Variables.pptx

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+
+#Declare and initialize the variables
+monthlyPayment = 0
+loanAmount = 0
+interestRate = 0
+numberOfPayments = 0
+loanDurationInYears = 0
+
+#Ask the user for the values needed to calculate the monthly payments
+strLoanAmount = input("How much money will you borrow? ")
+strInterestRate = input("What is the interest rate on the loan? ")
+strLoanDurationInYears = input("How many years will it take you to pay off the loan? " )
+
+#Convert the strings into floating numbers so we can use them in teh formula
+loanDurationInYears = float(strLoanDurationInYears)
+loanAmount = float(strLoanAmount)
+interestRate = float(strInterestRate)
+
+#Since payments are once per month, number of payments is number of years for the loan * 12
+numberOfPayments = loanDurationInYears*12
+
+#Calculate the monthly payment based on the formula
+monthlyPayment = loanAmount * interestRate * (1+ interestRate) * numberOfPayments \
+    / ((1 + interestRate) * numberOfPayments -1)
+
+#provide the result to the user
+print("Your monthly payment will be " + str(monthlyPayment))
+
+#Extra credit
+print("Your monthly payment will be $%.2f" % monthlyPayment) 
+
+

Office Docs/4 Storing numbers.pptx

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+#import the datetime class
+import datetime
+
+#declare and initialize variables
+strDeadline = ""
+totalNbrDays = 0
+nbrWeeks = 0
+nbrDays = 0
+
+#Get Today's date
+currentDate = datetime.date.today()
+
+#Ask the user for the date of their deadline
+strDeadline = input("Please enter the date of your deadline (mm/dd/yyyy): ")
+
+deadline = datetime.datetime.strptime(strDeadline,"%m/%d/%Y").date()
+
+#Calculate number of days between the two dates
+totalNbrDays = deadline - currentDate
+
+#For extra credit calculate results in weeks & days
+
+nbrWeeks = totalNbrDays.days / 7
+
+#The modulo will return the remainder of the division
+#which will tell us how many days are left 
+nbrDays = totalNbrDays.days%7
+
+#display the result to the user
+
+print("You have %d weeks" %nbrWeeks + " and %d days " %nbrDays + "until your deadline.")
+ 
+

Office Docs/5 Working with dates and times.pptx

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+#You may have written the solution very differently from the solution provided below. 
+#As you get further into coding, you will find multiple ways to solve the same problem with code
+#If you coded it differently, than just compare your solution to this solution 
+#You can decide which coding style you prefer
+
+#Declare variables
+orderTotal = 0
+shippingCost = 0
+totalWithShipping = 0
+
+#Ask user for their order total and convert the answer to a number
+orderTotal = float(input("What was the total for your order? " ))
+
+#Calculate the shipping cost based on the order total
+if orderTotal >= 50 :
+    shippingCost = 0
+else :
+    shippingCost = 10
+
+#Calculate order total including shipping
+totalWithShipping = orderTotal + shippingCost
+
+#Tell the user their final total
+print("Your final total, including shipping, will be: $%.2f " % totalWithShipping)
+
+
+
+
+