Becky Nisttahuz

section1/calculations_ex3.rb

@@ -0,0 +1,26 @@
+#Print sentence 'I will now calculate Felipe's pay:'
+puts "I will now calculate Felipe's sales:"
+#Print the calculation in curly brackets
+puts "Felipe's sales on weekdays for a month #{30 + 20 - 3 % 5 / 4}"
+#Print the result of the calculation in curly brackets
+puts "Felipe's sales on weekends for a month #{3 + 76 / 7}"
+#Print sentence 'Now let's count his expenses:'
+puts "Now let's count his expenses:"
+#Print result of the calculation
+puts 4 + 5 + 7 - 8 / 12
+#Print question. Boolean
+puts "It is true that #{30 + 20 - 3 % 5 / 4} + #{3 + 76 / 7} > #{ 4 + 5 + 7 - 8 / 12}?"
+#Calculate and print the boolean answer. Either true or false
+puts (30 + 20 - 3 % 5 / 4) + (3 + 76 / 7) >  4+ 5 + 7 - 8 / 12
+#Print question and answer for the calculation in curly brackets
+puts "What is 50 + 13? #{50 + 13}"
+#Print question and answer for the calculation in curly brackets
+puts "What is 4 + 5 + 7 - 8 / 12? #{4 + 5 + 7 - 8 / 12}"
+#Print sentence 'Oh, now I understand.'
+puts "Oh, now I understand."
+#Print boolean question and answer for the calculation in curly brackets in boolean form: true or false
+puts "Is it greater? #{50 + 13 > 4 + 5 + 7 - 8 / 12}"
+#Print boolean question and answer for the calculation in curly brackets in boolean form: true or false
+puts "Is it greater or equal? #{50 + 13 >= 4 + 5 + 7 - 8 / 12}"
+#Print boolean question and answer for the calculation in curly brackets in boolean form: true or false
+puts "Is it less or equal? #{50 + 13 <= 4 + 5 + 7 - 8 / 12}"

section1/ex1.rb

@@ -0,0 +1,17 @@
+#                              puts "Hello World!"
+#puts "Hello Again"
+#puts "I like typing this."
+#puts "This is fun."
+puts "Yay! Printing."
+#puts "I'd much rather you 'not'."
+#puts 'I "said" do not touch this.'
+#puts "Making my script print another line"
+# Making my script print only one of the lines: I use # at the beggining of each line but one
+#puts "This is another line. What does putting a # character at the beginning of the line do? It makes it into a comment. It won't print.
+
+
+#Study drills
+#1. # Making my script print only one of the lines: I use # at the beggining of each line but one
+#puts "This is another line. #What does putting a # character at the beginning of the line do? It makes it into a comment. It won't print.
+#2. I made my script print only one of the lines by using the octothorpecharacter at the beginning of each line
+#3. It comments out the line.

section1/ex2.rb

@@ -0,0 +1,18 @@
+# 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."
+
+
+
+
+#Study Drills
+#1. I was right about what the octothorpe character does at the beginning of a line. It makes the line into a comment that won't print.
+#2. I reviewed each line going backward.
+#3. I fixed a couple of mistakes.
+#4. I read out loud what I typed and did not find more errors

section1/ex3.rb

@@ -0,0 +1,36 @@
+#Print sentence 'I will now count my chickens:'
+puts "I will now count my chickens:"
+#Print the calculation in curly brackets for hens
+puts "Hens #{25.0 + 30.5 / 6.5}"
+#Print the result of the calculation in curly brackets for roosters
+puts "Roosters #{100.2 - 25.5 * 3.0 % 4.0}"
+#Print sentence 'Now I will count the eggs:'
+puts "Now I will count the eggs:"
+#Print result of the calculation
+puts 3.0 + 2.0 + 1.0 - 5.0 + 4.0 % 2.0 - 1.0 / 4.5 + 6.2
+#Print question. Boolean
+puts "It is true that 3.0 + 2.5 < 5.0 - 7.5?"
+#Calculate and print the boolean answer. Either true or false
+puts 3.0 + 2.5 < 5.0 - 7.5
+#Print question and answer for the calculation in curly brackets
+puts "What is 3.0 + 2.5? #{3.0 + 2.5}"
+#Print question and answer for the calculation in curly brackets
+puts "What is 5.0 - 7.5? #{5.0 - 7.5}"
+#Print sentence 'Oh, thats why it's false.'
+puts "Oh, thats why it's false."
+#Print sentence 'How about some more.'
+puts "How about some more."
+#Print boolean question and answer for the calculation in curly brackets in boolean form: true or false
+puts "Is it greater? #{5.5 > -2.5}"
+#Print boolean question and answer for the calculation in curly brackets in boolean form: true or false
+puts "Is it greater or equal? #{5.5 >= -2.5}"
+#Print boolean question and answer for the calculation in curly brackets in boolean form: true or false
+puts "Is it less or equal? #{5.5 <= -2.5}"
+
+#Study drills
+#1. used the octothorpe character (or pound) to write comments above each Line
+#2. irb(main):001:0> p 3 + 2 + 1 - 5 + 4 % 2 - 1 / 4 + 6
+#7
+#=> 7
+#3. See calculations_ex3.#!/usr/bin/env ruby -wKU
+#4. Rewrote ex3.rb and used floating point numbers.

section1/ex4.rb

@@ -0,0 +1,55 @@
+# write a variable for number of cars
+cars = 100
+# write a variable for how many people fit in the car
+space_in_a_car = 4.0
+#write a variable for number of drivers
+drivers = 30
+# write a variable for number of passengers
+passengers = 90
+# write a variable for a calculation that tells us how many cars have not been driven
+cars_not_driven = cars - drivers
+# write a variable for cars driven
+cars_driven = drivers
+# write a variable for carpool capacity. It will be calculation: cars driven * space in a car
+carpool_capacity = cars_driven * space_in_a_car
+# # write a variable for average_passengers_per_car. It will be calculation: passengers / cars_driven
+average_passengers_per_car = passengers / cars_driven
+
+# Print sentence 'There are (number of cars) cars available.'
+puts "There are #{cars} cars available."
+# Print sentence 'There are only (number of drivers) drivers available.'
+puts "There are only #{drivers} drivers available."
+# Print sentence 'There will be (calculation of cars not driven) empty cars today.'
+puts "There will be #{cars_not_driven} empty cars today."
+# Print sentence 'We can transport (calculation of carpool capacity) people today.'
+puts "We can transport #{carpool_capacity} people today."
+# Print sentence 'We have (number of passengers) to carpool today.'
+puts "We have #{passengers} to carpool today."
+# Print sentence 'We need to put about (average of passengers per car) in each car.'
+puts "We need to put about #{average_passengers_per_car} in each car."
+
+#Study drills:
+
+  #ex4.rb:14: undefined local variable or method `carpool_capacity' for
+    #main:Object (NameError)
+    #You might have gotten a "NameError" message if your variable hadn't yet been assigned to anything.
+#1. A floating number help us to have more accurate calculations. Just 4 would have worked also but it would't be a floating point number anymore.
+#2. Yes, 4 is an integer, while 4.0 is a floating point number.
+#3. Done
+#4. The single equals (=) assigns a value to a variable.
+#5. underscore character: (_)
+#6. irb(main):002:0> irb
+#irb#1(main):001:0> x = 5
+#=> 5
+#irb#1(main):002:0> i = 7
+#=> 7
+#irb#1(main):003:0> x + 7
+#=> 12
+#irb#1(main):004:0> j = 12
+#=> 12
+#irb#1(main):005:0> x % j / i
+#=> 0
+#irb#1(main):006:0> x % i
+#=> 5
+#irb#1(main):007:0> x % i * j
+#=> 60

section1/ex5.rb

@@ -0,0 +1,22 @@
+name = 'Zed A. Shaw'
+age = 35 # not a lie in 2009
+height = 74 * 2.54# inches converted to centimeters
+weight = 180 / 2.2046 # lbs converted to kilograms
+eyes = 'Blue'
+teeth = 'White'
+hair = 'Brown'
+
+puts "Let's talk about #{name}."
+puts "He's #{height} centimeters tall."
+puts "He's #{weight} kilograms heavy."
+puts "Actually that's not too heavy."
+puts "He's got #{eyes} 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}."
+
+
+#Study Drills
+#1. I changed all the variables so there is no: my_
+#2. I wrote some variables that convert the inches and pounds to centimeters and kilograms.

section1/ex6.rb

@@ -0,0 +1,37 @@
+# Create a (type of people) variable and set it to number 10
+types_of_people = 10
+# Set x to 'There are (type of people variable) types of people'
+x = "There are #{types_of_people} types of people."
+#Create a binary variable and set it to 'binary'
+binary = "binary"
+#Create a (do not) variable and set it to 'don't
+do_not = "don't"
+#Set y to 'Those who know (binary) and those who (do not).'
+y = "Those who know #{binary} and those who #{do_not}."
+#Print x
+puts x
+#Print y
+puts y
+#Print 'I said: x.'
+puts "I said: #{x}."
+#Print 'I also said: 'y'.'
+puts "I also said: '#{y}'."
+#Create variable hilararious and set it to false
+hilarious = false
+#Create variable (joke evaluation) and set it to 'Isn't that joke so funny?! (hilarious)'
+joke_evaluation = "Isn't that joke so funny?! #{hilarious}"
+#Print joke evaluation
+puts joke_evaluation
+#Set w to 'This is the left side of...'
+w = "This is the left side of..."
+#Set e to 'a string with a right side.'
+e = "a string with a right side."
+#Concatenate w and e
+puts w + e
+
+#Study Drills
+#1. Used octothorpe character to make omments above each line explaining it.
+#2. Found all the places where a string is put inside a string:4
+#3. Yes, it was in 4 places
+#4. Because we are concatenating the string
+#5 They still work because uby knows when we want something to be a string when we use either double quotes or single quotes. We just need to pick one and be consistent.

section1/ex7.rb

@@ -0,0 +1,22 @@
+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, you're #{age} old, #{height} tall and #{weight} heavy."
+
+
+#Study drills
+#1. It returns a new String with the given record separator removed from the end of the str
+#2. To get a float input: gets.chomp.to_f and a integer input: gets.chomp.to_i
+#3.
+#print "Who are you? "
+#name = gets.chomp
+#print "What is your hobby? "
+#hobby = gets.chomp
+#print "Why you like doing that? "
+#why_hobby = gets.chomp
+
+#puts "So, you're #{name},you like #{hobby} and you like it because #{why_hobby}."

section1/exercises/booleans.rb

@@ -9,7 +9,8 @@
 p 7 > 2
 
 # YOU DO: log to the console the result of "hello" is equal to "Hello":
-
+p "hello" === "Hello"
 # YOU DO: log to the console the result of 3 is not equal to 4:
-
+p 3 != 4
 # YOU DO: log to the console the result of 4 is less than or equal to 5:
+p 4 <= 5

section1/exercises/interpolation.rb

@@ -15,16 +15,20 @@
 speedy = "quick red fox"
 slow_poke = "lazy brown dog"
 
-p # YOUR CODE HERE
+p "The #{speedy} jumped over the #{slow_poke}"# YOUR CODE HERE
 
 # 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}!"
 
 # YOU DO:
 # Declare three variables, name/content/data type of your choice. Think carefully about what you name the variables. Remember, the goal is to be concise but descriptive (it's a hard balance!) Then, log out ONE sentence that incorporates all THREE variables.
+favorite_hobby = "salsa dancing"
+day_of_week = "Saturday"
+time_of_day = "night"
 
+p "I really want to go #{favorite_hobby} on #{day_of_week} #{time_of_day}"

section1/exercises/loops.rb

@@ -5,18 +5,23 @@
 
 # Example: Write code that prints your name five times:
 5.times do
-  p "Hermione Granger"
+  p "Becky Nisttahuz"
 end
 
 # Write code that prints the sum of 2 plus 2 seven times:
 7.times do
-  # YOUR CODE HERE
+  p "2 + 2" # YOUR CODE HERE
 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
 
 # Write code that prints the result of 5 + 7 a total of 9 timees
 # YOUR CODE HERE
+9.times do
+  p 5 + 7
+end

section1/exercises/numbers.rb

@@ -7,10 +7,11 @@
 p 2 + 2
 
 # Write code that prints the result of 7 subtracted from 83:
-p #YOUR CODE HERE
+p 83 - 7#YOUR CODE HERE
 
 # 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

section1/exercises/strings.rb

@@ -4,12 +4,13 @@
 # `ruby section1/exercises/strings.rb`
 
 # Example: Write code that prints your name to the terminal:
-p "Alan Turing"
+p "Becky Nisttahuz"
 
 # Write code that prints `Welcome to Turing!` to the terminal:
-p #YOUR CODE HERE
+p "Welcome to Turing!"#YOUR CODE HERE
 
 # Write code that prints `99 bottles of pop on the wall...` to the terminal:
 # YOUR CODE HERE
-
-# Write out code to log one line from your favorite song or movie.
+p "99 bottles of pop on the wall..."
+# Write out code to log one line from your favorite song or movie.
+p "My precious."