Testing pry

PryIRB work(June)

vagrant [vagrant]> pry
[1] pry(main)> "hello"
=> "hello"
[2] pry(main)> puts "h"
h
=> nil
[3] pry(main)> quit
vagrant [vagrant]> ls
git-mania  scavenger_hunt-master  temp_test_file.txt  Vagrantfile
vagrant [vagrant]> touch example.rb
vagrant [vagrant]> ls
example.rb  git-mania  scavenger_hunt-master  temp_test_file.txt  Vagrantfile
vagrant [vagrant]> ruby example.rb
this is the firs rb file, type your name:fio
Hello fio
vagrant [vagrant]> pry
[1] pry(main)> def say_hi(name)
[1] pry(main)*   puts "hi there, #{name}"
[1] pry(main)* end
=> :say_hi
[2] pry(main)> greet =say_hi("george")
hi there, george
=> nil
[3] pry(main)> say_hi('fio')
hi there, fio
=> nil
[4] pry(main)> array = [1,5,3,8]
=> [1, 5, 3, 8]
[5] pry(main)> array.sort
=> [1, 3, 5, 8]
[6] pry(main)> array
=> [1, 5, 3, 8]
[7] pry(main)> array.sort!
=> [1, 3, 5, 8]
[8] pry(main)> array
=> [1, 3, 5, 8]
[9] pry(main)> array = ["a","c","b"]
=> ["a", "c", "b"]
[10] pry(main)> array.sort
=> ["a", "b", "c"]
[11] pry(main)> array
=> ["a", "c", "b"]
[12] pry(main)> array.sort!
=> ["a", "b", "c"]
[13] pry(main)> array
=> ["a", "b", "c"]
[14] pry(main)> array = ["hello","human","whatsup"]
=> ["hello", "human", "whatsup"]
[15] pry(main)> array.each {|greet| puts greet}
hello
human
whatsup
=> ["hello", "human", "whatsup"]
[16] pry(main)> array.each {|greet\n| puts greet}
SyntaxError: unexpected tIDENTIFIER, expecting keyword_do or '{' or '('
array.each {|greet\n| puts greet}
                                ^
[16] pry(main)> Math.sqrt(1282)
=> 35.805027579936315
[17] pry(main)> Time.now
=> 2016-06-21 18:17:57 +0000
[18] pry(main)> Time.yesterday
NoMethodError: undefined method `yesterday' for Time:Class
from (pry):20:in `__pry__'
[19] pry(main)> Time
=> Time
[20] pry(main)> Time.now
=> 2016-06-21 18:18:08 +0000
[21] pry(main)> Array.new(0,"yes")
=> []
[22] pry(main)> Array
=> Array
[23] pry(main)> Array.new(0,"yes","abc")
ArgumentError: wrong number of arguments (given 3, expected 0..2)
from (pry):25:in `initialize'
[24] pry(main)> Array.new("yes","abc")
TypeError: no implicit conversion of String into Integer
from (pry):26:in `initialize'
[25] pry(main)> Array.new(2,"yes","abc")
ArgumentError: wrong number of arguments (given 3, expected 0..2)
from (pry):27:in `initialize'
[26] pry(main)> Array.new(3,"yes","abc")
ArgumentError: wrong number of arguments (given 3, expected 0..2)
from (pry):28:in `initialize'
[27] pry(main)> Array.new(10,'bee')
=> ["bee", "bee", "bee", "bee", "bee", "bee", "bee", "bee", "bee", "bee"]
[28] pry(main)> Array.new('bee')
TypeError: no implicit conversion of String into Integer
from (pry):30:in `initialize'
[29] pry(main)> Array.new('bee','bear')
TypeError: no implicit conversion of String into Integer
from (pry):31:in `initialize'
[30] pry(main)> Array.new(10,'bee')
=> ["bee", "bee", "bee", "bee", "bee", "bee", "bee", "bee", "bee", "bee"]
[31] pry(main)> Array.new(10,2)
=> [2, 2, 2, 2, 2, 2, 2, 2, 2, 2]
[32] pry(main)> Array.new(0,"yes")
=> []
[33] pry(main)> Array.new(1,"yes")
=> ["yes"]
[34] pry(main)> include Math
=> Object
[35] pry(main)> sqrt 8
=> 2.8284271247461903
[36] pry(main)> sum 1,2
NoMethodError: undefined method `sum' for main:Object
from (pry):38:in `__pry__'
[37] pry(main)> sum 1 2
SyntaxError: unexpected tINTEGER, expecting end-of-input
[37] pry(main)> sum 1
NoMethodError: undefined method `sum' for main:Object
from (pry):39:in `__pry__'
[38] pry(main)> sum(1,2)
NoMethodError: undefined method `sum' for main:Object
from (pry):40:in `__pry__'
[39] pry(main)> include Math
=> Object
[40] pry(main)> sqrt 10
=> 3.1622776601683795
[41] pry(main)>quit