Alex Ferencz

day_1/ex1.rb

@@ -0,0 +1,8 @@
+ "Hellow World!"
+ "Hello Again"
+ "I like typing this."
+ "This is fun."
+ "Yay! Printing."
+ "I'd much rather you 'not'."
+ # puts 'I "said" do not touch this.'
+puts 'I wrote another line!!'

day_1/ex2.rb

@@ -0,0 +1,9 @@
+# A comment, this is so you can read your program later.
+# Anything after the # is ignored by ruby.
+
+puts "I could have code like this." # and the comment after is ignored
+
+# You can also use a comment to "disable" or comment out a piece of code:
+# puts "This won't run."
+
+puts "This will run."

day_1/ex3.1.rb

@@ -0,0 +1,3 @@
+puts "This file is going to help me figure out my bills"
+x = 710+210+80+80
+puts "#{x} isn't event that much"

day_1/ex3.rb

@@ -0,0 +1,24 @@
+puts "I will now count my chickens:"
+puts "Hens #{25.0 + 30.0 / 6.0}"
+#the curly brackets do the math in the string
+puts "Roosters #{100.0 - 25.0 * 3.0 % 4.0}"
+#the curly brackets do the math in the string
+puts "Now I will count the eggs:"
+puts 3.0+20+1.0-5.0+4.0%2.0-1.0/4.0+6.0
+# no need for curly brackets because it is not in the string and the equation is alone on a line
+puts "Is it true that 3 + 2 < 5 - 7?"
+#the question is asked
+puts 3+2<5-7
+# the equation is given and solved. It has been determined to be false
+puts "What is 3 + 2? #{3 + 2}"
+# the question is asked and the actual work is done in the same spot in the curly brackets
+puts "What is 5 - 7 #{5-7}"
+# the question is asked and the actual work is done in the same spot in the curly brackets
+puts "Oh, that's why it's false."
+puts "How about some more."
+
+puts "Is it greater? #{5 > -2}"
+# the question is asked and the actual work is done in the same spot in the curly brackets
+puts "Is it greater or equal? #{5 >= -2}"
+# the question is asked and the actual work is done in the same spot in the curly brackets
+puts "Is it less or equal? #{5 <= -2}"

day_1/ex4.rb

@@ -0,0 +1,17 @@
+cars = 100
+space_in_a_car = 4.0   
+drivers = 30
+passengers = 90
+cars_not_driven = cars - drivers
+cars_driven = drivers
+carpool_capacity = cars_driven * space_in_a_car
+average_passengers_per_car = passengers / cars_driven
+
+puts "There are #{cars} cars available."
+puts "There are only #{drivers} drivers available."
+puts "There are only #{cars_not_driven} empty cars today."
+puts "We can transport #{carpool_capacity} people today."
+puts "We have #{passengers}to carpool today."
+puts "We need to put about #{average_passengers_per_car}in each car."
+
+# When I deleted line 7 and ran it, the same error code popped up. Zed must have forgotten to define what carpool capcity was.

day_1/ex5.rb

@@ -0,0 +1,22 @@
+name = 'Zed A. Shaw'
+age = 35 # not a lie in 2009
+height =74 # inches
+height_in_centimeters = height * 2.54
+weight = 180 # lbs
+weight_in_kilos = height * 0.453592
+eyes = 'Blue'
+teeth = 'White'
+hair = "Brown"
+
+puts "Let's talk about #{name}"
+puts "He's #{height} tall."
+puts "That means #{height_in_centimeters} in centimeters."
+puts "He's #{weight} pounds heavy."
+puts "Acutally that's not too heavy."
+puts "Especially in kilos like this #{weight_in_kilos}"
+puts "He's got #{eyes} and #{hair} hair."
+puts "His teeth are usually #{teeth} depending on the coffee."
+
+
+#this line is tricky, try to get it exactly right
+puts "If I add #{age}, #{height}, and #{weight} I get #{age + height + weight}."

day_1/ex6.rb

@@ -0,0 +1,33 @@
+# defining types of people as 10
+types_of_people = 10
+# defining x as the string
+x = "There are #{types_of_people} types of people."
+# defining binary
+binary = "binary"
+# defining do not as don't
+do_not = "don't"
+#defining y as the string
+y = "Those who know #{binary} and those who #{do_not}."
+# these two are telling ruby to export x and y values
+puts x
+puts y
+
+# these two are asking for the two strings to be written including the values which are other strings
+puts "I said: #{x}."
+puts "I also said:'#{y}'."
+
+# this defines hilarious
+hilarious = false
+
+# this defines joke_evaluation which includes the previously defined variable
+joke_evaluation = "Ins't that joke so funny?! #{hilarious}"
+
+# this is asking ruby to export joke_evaluation
+puts joke_evaluation
+
+# these two are defining variables w and each
+w = 'This is the left side of...'
+e = 'a string with a right side.'
+
+# this is asking ruby to export w and e values next to eachother
+puts w + e

day_1/ex7.rb

@@ -0,0 +1,17 @@
+print "How old are you?"
+age = gets.chomp
+print "How tall are you?"
+height = gets.chomp
+print "How much do you weigh?"
+weight = gets.chomp
+
+puts "So, youre #{age} old, #{height} tall and #{weight} heavy."
+
+#chomp stops the line break/new line from being created after the gets adds the answer gotten to the strings
+
+print "What is your favorite animal?"
+animal = gets.chomp
+print "What would happen if you never saw that animal again?"
+reaction = gets.chomp
+
+puts "So #{animal} is really important to you. I'd probably #{reaction} too."

day_1/exercises/interpolation.rb

@@ -15,11 +15,11 @@
 speedy = "quick red fox"
 slow_poke = "lazy brown dog"
 
-p # YOUR CODE HERE
+p "The #{speedy} jumped over the #{slow_poke}"
 
 # Write code that uses the variables below to form a string that reads
 # "In a predictable result, the tortoise beat the hare!":
 slow_poke = "tortoise"
 speedy = "hare"
 
-# YOUR CODE HERE
+p "In a predictable result, the #{slow_poke} beat the #{speedy}!"

day_1/exercises/loops.rb

@@ -10,9 +10,11 @@
 
 # Write code that prints the sum of 2 plus 2 seven times:
 7.times do
-  # YOUR CODE HERE
+  p "2+2"
 end
 
 # Write code that prints the phrase 'She sells seashells down by the seashore'
 # ten times:
-# YOUR CODE HERE
+10.times do
+  p "She sells seashells down by the seashore"
+end

day_1/exercises/numbers.rb

@@ -7,10 +7,10 @@
 p 2 + 2
 
 # Write code that prints the result of 7 subtracted from 83:
-p #YOUR CODE HERE
+p 83 - 7
 
 # Write code that prints the result of 6 multiplied by 53:
-# YOUR CODE HERE
+p 6 * 53
 
 # Write code that prints the result of the modulo of 10 into 54:
-# YOUR CODE HERE
+p 54 % 10

day_1/exercises/strings.rb

@@ -7,7 +7,7 @@
 p "Alan Turing"
 
 # Write code that prints `Welcome to Turing!` to the terminal:
-p #YOUR CODE HERE
+p "Welcome to Turing!"
 
 # Write code that prints `99 bottles of pop on the wall...` to the terminal:
-# YOUR CODE HERE
+p "99 bottles of pop on the wall.... we both know you mean soda...."

day_1/exercises/variables.rb

@@ -1,6 +1,6 @@
 # In the below exercises, write code that achieves
 # the desired result. To check your work, run this
-# file by entering the following command in your terminal: 
+# file by entering the following command in your terminal:
 # `ruby day_1/exercises/variables.rb`
 
 # Example: Write code that saves your name to a variable and
@@ -11,19 +11,21 @@
 # Write code that saves the string 'Dobby' to a variable and
 # prints what that variable holds to the terminal:
 house_elf = "Dobby"
-# YOUR CODE HERE
+p house_elf
 
 # Write code that saves the string 'Harry Potter must not return to Hogwarts!'
 # and prints what that variable holds to the terminal:
-# YOUR CODE HERE
+warning_message = "Harry Potter must not return to Hogwarts!"
+p warning_message
 
 # Write code that adds 2 to the `students` variable and
 # prints the result:
 students = 22
-# YOUR CODE HERE
-p students
+student = students + 2
+p student
 
 # Write code that subracts 2 from the `students` variable and
 # prints the result:
-# YOUR CODE HERE
-p students
+students2 = 22 -2
+
+p students2

day_1/questions.md

@@ -1,17 +1,20 @@
 ## Day 1 Questions
 
 1. How would you print the string `"Hello World!"` to the terminal?
+  puts "Hello World!"
 
 1. What character is used to indicate comments in a ruby file?
-
+  #
 1. Explain the difference between an integer and a float?
-
+  Integers are whole numbers and float have a decimal place
 1. In the space below, create a variable `animal` that holds the string `"zebra"`
-
+  animal = "zebra"
 1. How would you print the string `"zebra"` using the variable that you created above?
-
+  puts "animal"
 1. What is interpolation? Use interpolation to print a sentence using the variable `animal`.
-
+    "What a cute #{animal} you have over there!"
 1. What method is used to get input from a user?
-
+  gets
 1. Name and describe two common string methods:
+  .length finds out how many characters there are in a strings
+  .chomp stops the line break from occurring after input from user.

day_2/array_methods.md

@@ -0,0 +1 @@
+each method: each allows us to do the same thing to each part/element of an array. For example if we had a bunch of elements in an array and we wanted to loop back over and over and do the same thing to each individual element we would use each.

day_2/exercises/arrays.rb

@@ -10,31 +10,33 @@
 
 # Write code that stores an array of states in a variable,
 # then prints that array:
-states = #YOUR CODE HERE
+states = ["Alabama", "Arkanas", "Alaska"]
 p states
 
 # Write code that stores an array of foods in a variable,
 # then prints that array:
-# YOUR CODE HERE
+foods = ["Salami", "Pepperoni", "Bratwurst"]
+p foods
 
 # Example: Write code that prints the number of elements
 # in your above array of animals:
 p animals.count
 
 # Write code that prints the number of elements
 # in your above array of foods:
-# YOUR CODE HERE
+p foods.count
 
 # Write code that prints "Zebra" from your animals array:
-# YOUR CODE HERE
+p animals.first
 
 # Write code that prints the last item of your foods array:
-# YOUR CODE HERE
+p foods.last
 
 # Write code that adds "lion" to your animals array
 # and prints the result (Hint- use a method):
-# YOUR CODE HERE
-
+animals.append("lion")
+p animals
 # Write code that removes the last element from your foods array
 # and prints the result (Hint- use a method):
-# YOUR CODE HERE
+foods.delete ("Bratwurst")
+ p foods

day_2/exercises/iteration.rb

@@ -15,14 +15,22 @@
 # "The <animal> is awesome!" for each animal:
 
 animals.each do |animal|
-  # YOUR CODE HERE
+  p "The #{animal} is awesome!"
 end
 
-# Write code that stores an array of foods in a variable, 
+# Write code that stores an array of foods in a variable,
 # then iterates over that array to print
 # "Add <food> to shopping list" for each food item:
-# YOUR CODE HERE
+foods = ["bok choy", "soy", "tomato", "banana"]
+foods.each do |food|
+  p "Add #{food} to shopping list"
+end
 
-# Write code that stores an array of numbers in a variable, 
-# then iterates over that array to print doubles of each number: 
-# YOUR CODE HERE
+# Write code that stores an array of numbers in a variable,
+# then iterates over that array to print doubles of each number:
+numbers = [5,6,7,8,9]
+numbers.each do |number|
+  2.times do
+    p number
+  end
+end

day_2/experiment.rb

@@ -0,0 +1,69 @@
+numbers = [1,2,3,4]
+
+numbers.each do |number|
+  2.times do
+    p number
+  end
+end
+
+numbers.each do |number|
+    3.times do
+      p number
+    end
+  end
+
+numbers.each do |number|
+  p number * 2
+end
+
+numbers.each do |number|
+  p number * 3
+end
+
+numbers.each do |number|
+  if number.even?
+    p number
+  end
+end
+
+numbers.each do |number|
+  if number.odd?
+    p number
+  end
+end
+
+names = ["Alice Smith", "Bob Evans", "Roy Rogers"]
+
+names.each do |name|
+  p name
+end
+
+names.each do |name|
+  p name.split.first
+end
+
+names.each do |name|
+  p name.chr
+end
+
+names.each do |name|
+  last_name = name.split.last
+  p "#{last_name} #{last_name.length}"
+end
+
+total_number_of_letters = 0
+names.each do |name|
+ total_number_of_letters += name.length
+end
+p total_number_of_letters
+#Given an array of first and last names, e.g. , how would you print out the full names line by line?
+#How would you print out only the first name?
+#How would you print out only the last name?
+#How could you print out only the initials?
+#How can you print out the last name and how many characters are in it?
+#How can you create an integer which represents the total number of characters in all the names?
+
+
+animals = ["zebra", "giraffe", "elephant"]
+
+p animals[1]