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- ruby 2.3.3p222 (2016-11-21 revision 56859) [i386-mingw32]
- C:\Users\students>irb
- irb(main):001:0> name = "Grace"
- => "Grace"
- irb(main):002:0> if name = "Grace"
- irb(main):003:1> if name == "Grace"
- irb(main):004:2> puts "My Name is Grace!"
- irb(main):005:2> elsif name == "Kathy"
- irb(main):006:2> puts "I am named KAtherine"
- irb(main):007:2> end
- irb(main):008:1> name
- irb(main):009:1> Grace
- irb(main):010:1>
- irb(main):011:1*
- irb(main):012:1* def add(num1, num2)
- irb(main):013:2> num1 + num2
- irb(main):014:2> end
- irb(main):015:1> add(8,10)
- irb(main):016:1>
- irb(main):017:1* ^C
- irb(main):017:0> def add(num1,num2)
- irb(main):018:1> num1 + num2
- irb(main):019:1> end
- => :add
- irb(main):020:0> add(2,3)
- => 5
- irb(main):021:0> ^C
- irb(main):021:0> name = "Gracie"
- => "Gracie"
- irb(main):022:0> if name == "Gracie"
- irb(main):023:1> puts "My name is Gracie!"
- irb(main):024:1> elsif name == "Kelly"
- irb(main):025:1> puts "I am a potato"
- irb(main):026:1> end
- My name is Gracie!
- => nil
- irb(main):027:0> def add(num1,num2)
- irb(main):028:1> add1+ add2
- irb(main):029:1> end
- => :add
- irb(main):030:0> def add(num1,num2)
- irb(main):031:1> num1 + num2
- irb(main):032:1> end
- => :add
- irb(main):033:0> add(5,4)
- => 9
- irb(main):034:0> ^C
- irb(main):034:0> name = "Kathy"
- => "Kathy"
- irb(main):035:0> if name == "Koko"
- irb(main):036:1> puts "I am COCO PUFFS"
- irb(main):037:1> elsif name == "Kathy"
- irb(main):038:1> puts "I AM KALLY"
- irb(main):039:1> end
- I AM KALLY
- => nil
- irb(main):040:0> name = "benedict"
- => "benedict"
- irb(main):041:0> if name == "john"
- irb(main):042:1> puts "sherlock"
- irb(main):043:1> elsif name == "benedict"
- irb(main):044:1> puts "yay"
- irb(main):045:1> end
- yay
- => nil
- irb(main):046:0>
- irb(main):047:0*
- irb(main):048:0*
- irb(main):049:0* >^C
- irb(main):049:0> recipe["chocolate", "cookie dough", "sugar"]
- NameError: undefined local variable or method `recipe' for main:Object
- from (irb):49
- from C:/Ruby23/bin/irb.cmd:19:in `<main>'
- irb(main):050:0> reciipe =["sugar", "chocolate", "bread"]
- => ["sugar", "chocolate", "bread"]
- irb(main):051:0> reciipe[0]
- => "sugar"
- irb(main):052:0> potato types = ["baked", "mashed", "fried", "broiled"]
- NoMethodError: undefined method `potato' for main:Object
- from (irb):52
- from C:/Ruby23/bin/irb.cmd:19:in `<main>'
- irb(main):053:0> ^C
- irb(main):053:0> ^C
- irb(main):053:0> ^C
- irb(main):053:0> potatos =["baked", "broiled", "mashed", "fried"]
- => ["baked", "broiled", "mashed", "fried"]
- irb(main):054:0> potatos[2]
- => "mashed"
- irb(main):055:0> name="meow"
- => "meow"
- irb(main):056:0> "meow".upcase
- => "MEOW"
- irb(main):057:0> name= "potatooooo"
- => "potatooooo"
- irb(main):058:0> "meow".upcase
- => "MEOW"
- irb(main):059:0> "potatooooo".upcase
- => "POTATOOOOO"
- irb(main):060:0> ^C
- irb(main):060:0> varname = tomato
- NameError: undefined local variable or method `tomato' for main:Object
- from (irb):60
- from C:/Ruby23/bin/irb.cmd:19:in `<main>'
- irb(main):061:0> tomato = true
- => true
- irb(main):062:0> if tomato == true
- irb(main):063:1> puts "Lets make a pizza"
- irb(main):064:1> elsif tomato == false
- irb(main):065:1> puts "I HATE PIZZA"
- irb(main):066:1> end
- Lets make a pizza
- => nil
- irb(main):067:0> tomato = "true"
- => "true"
- irb(main):068:0> tomato = "grace"
- => "grace"
- irb(main):069:0> if tomato = "grace"
- irb(main):070:1> print "yum"
- irb(main):071:1> else
- irb(main):072:1* print "oh"
- irb(main):073:1> end
- (irb):69: warning: found = in conditional, should be ==
- yum=> nil
- irb(main):074:0> end
- SyntaxError: (irb):74: syntax error, unexpected keyword_end
- from C:/Ruby23/bin/irb.cmd:19:in `<main>'
- irb(main):075:0> ^C
- irb(main):075:0> tomato = "grace"
- => "grace"
- irb(main):076:0> if tomato == "grace"
- irb(main):077:1> print "yum yayayyayay"
- irb(main):078:1> else
- irb(main):079:1* print "ohhh hmananannan"
- irb(main):080:1> end
- yum yayayyayay=> nil
- irb(main):081:0> ^C
- irb(main):081:0> ^C
- irb(main):081:0>
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