Списъци от символи с %i( foo bar baz )

Програмиране с Ruby

Курс във Факултета по Математика и Информатика към СУ

Решение на Втора задача от Александър Пирнарев

Обратно към всички решения

Към профила на Александър Пирнарев

Резултати

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  • 0 точки общо
  • 0 успешни тест(а)
  • 24 неуспешни тест(а)

Код

class NumberSet
attr_accessor :nums
include Enumerable
def each &block
numbers.each { |n| yield n }
end
def initialize
numbers = Array.new
end
def <<(other)
if not numbers.include?(other) then
numbers.push(other)
end
end
def size
counter = 0
numbers.each { |each| counter += 1 }
return counter
end
def empty?
numbers.size == 0
end
def [](class_name)
case class_name
when class_name == Filter then self.Filter.initialize
when class_name == TypeFilter then self.SingFilter.initialize
when class_name == SingFilter then self.SingFilter.initialize
end
end
def |(other)
numbers.each do |number|
numbers << other if not numbers == other
end
end
end
class Filter < NumberSet
filtered = NumberSet.new
def initialize(&block)
numbers.each do |number|
filtered << number if yield number
end
end
end
class SingFilter < NumberSet
attr_accessor :filtered
filtered = NumberSet.new
def initialize(key)
case key
when key == :positive then numbers.select { |n| n > 0 }
when key == :non_positive then numbers.select { |n| n <= 0 }
when key == :negative then numbers.select { |n| n < 0 }
when key == :non_negative then numbers.select { |n| n >= 0 }
end
filtered = numbers
end
end
class TypeFilter < NumberSet
attr_accessor :filtered
filtered = NumberSet.new
def initialize(key)
case key
when key == :integer then numbers.select { |n| n.is_a? Integer }
when key == :complex then numbers.select { |n| n.is_a? Complex }
when key == :real then
numbers.select { |n| n.is_a? Float or n.is_a? Rational }
end
filtered = numbers
end
end

Лог от изпълнението

FFFFFFFFFFFFFFFFFFFFFFFF

Failures:

  1) NumberSet can store integers
     Failure/Error: numbers << number
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba479a68>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:170:in `can_store'
     # /tmp/d20141028-18133-5e99f0/spec.rb:3:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  2) NumberSet can store floating point numbers
     Failure/Error: numbers << number
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba4788ac>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:170:in `can_store'
     # /tmp/d20141028-18133-5e99f0/spec.rb:7:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  3) NumberSet can store complex numbers
     Failure/Error: numbers << number
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba477de4>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:170:in `can_store'
     # /tmp/d20141028-18133-5e99f0/spec.rb:11:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  4) NumberSet can store rational numbers
     Failure/Error: numbers << number
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba477308>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:170:in `can_store'
     # /tmp/d20141028-18133-5e99f0/spec.rb:15:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  5) NumberSet can compare numbers of different types
     Failure/Error: numbers << number
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba476840>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:170:in `can_store'
     # /tmp/d20141028-18133-5e99f0/spec.rb:19:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  6) NumberSet starts as empty collection
     Failure/Error: expect(numbers.size).to eq 0
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba475d78>
     # /tmp/d20141028-18133-5e99f0/solution.rb:21:in `size'
     # /tmp/d20141028-18133-5e99f0/spec.rb:24:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  7) NumberSet contains multiple numbers
     Failure/Error: numbers << Rational(22, 7)
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba475300>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:29:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  8) NumberSet contains only unique numbers
     Failure/Error: numbers << Rational(22, 2)
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba474860>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:37:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  9) NumberSet can filter by complex type
     Failure/Error: can_filter [0.3+2i, 3.14, 11], using: TypeFilter.new(:complex),
     NameError:
       undefined local variable or method `numbers' for #<TypeFilter:0xba4f7d64>
     # /tmp/d20141028-18133-5e99f0/solution.rb:76:in `initialize'
     # /tmp/d20141028-18133-5e99f0/spec.rb:43:in `new'
     # /tmp/d20141028-18133-5e99f0/spec.rb:43:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  10) NumberSet can filter by integer type
     Failure/Error: can_filter [Rational(5, 2), 8.0, 7, Rational(9, 1)], using: TypeFilter.new(:integer),
     NameError:
       undefined local variable or method `numbers' for #<TypeFilter:0xba4f72d8>
     # /tmp/d20141028-18133-5e99f0/solution.rb:76:in `initialize'
     # /tmp/d20141028-18133-5e99f0/spec.rb:49:in `new'
     # /tmp/d20141028-18133-5e99f0/spec.rb:49:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  11) NumberSet can filter by real type
     Failure/Error: can_filter [Rational(5, 2), 8.3, 7], using: TypeFilter.new(:real),
     NameError:
       undefined local variable or method `numbers' for #<TypeFilter:0xba4f6824>
     # /tmp/d20141028-18133-5e99f0/solution.rb:76:in `initialize'
     # /tmp/d20141028-18133-5e99f0/spec.rb:55:in `new'
     # /tmp/d20141028-18133-5e99f0/spec.rb:55:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  12) NumberSet can filter by custom filter
     Failure/Error: can_filter [Rational(5, 2), 7.6, 5], using: Filter.new { |number| number > 4 },
     NameError:
       undefined local variable or method `numbers' for #<Filter:0xba4f5d34>
     # /tmp/d20141028-18133-5e99f0/solution.rb:47:in `initialize'
     # /tmp/d20141028-18133-5e99f0/spec.rb:61:in `new'
     # /tmp/d20141028-18133-5e99f0/spec.rb:61:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  13) NumberSet can filter positive numbers
     Failure/Error: can_filter [Rational(-5, 2), 7.6, 0], using: SignFilter.new(:positive),
     NameError:
       uninitialized constant SignFilter
     # /tmp/d20141028-18133-5e99f0/spec.rb:67:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  14) NumberSet can filter non-positive numbers
     Failure/Error: can_filter [Rational(-5, 2), 7.6, 0], using: SignFilter.new(:non_positive),
     NameError:
       uninitialized constant SignFilter
     # /tmp/d20141028-18133-5e99f0/spec.rb:73:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  15) NumberSet can filter negative numbers
     Failure/Error: can_filter [Rational(-5, 2), 7.6, 0], using: SignFilter.new(:negative),
     NameError:
       uninitialized constant SignFilter
     # /tmp/d20141028-18133-5e99f0/spec.rb:79:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  16) NumberSet can filter non-negative numbers
     Failure/Error: can_filter [Rational(-5, 2), 7.6, 0], using: SignFilter.new(:non_negative),
     NameError:
       uninitialized constant SignFilter
     # /tmp/d20141028-18133-5e99f0/spec.rb:85:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  17) NumberSet can combine two filters with "and" rule
     Failure/Error: filter = SignFilter.new(:non_negative) & Filter.new { |number| number != 0 }
     NameError:
       uninitialized constant SignFilter
     # /tmp/d20141028-18133-5e99f0/spec.rb:91:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  18) NumberSet can combine two filters with "or" rule
     Failure/Error: filter = Filter.new { |number| number % 2 == 0 } | Filter.new { |number| number > 5 }
     NameError:
       undefined local variable or method `numbers' for #<Filter:0xba4b4c30>
     # /tmp/d20141028-18133-5e99f0/solution.rb:47:in `initialize'
     # /tmp/d20141028-18133-5e99f0/spec.rb:98:in `new'
     # /tmp/d20141028-18133-5e99f0/spec.rb:98:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  19) NumberSet can combine multiple filters with "and" rule
     Failure/Error: non_negative  = SignFilter.new(:non_negative)
     NameError:
       uninitialized constant SignFilter
     # /tmp/d20141028-18133-5e99f0/spec.rb:105:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  20) NumberSet can combine multiple filters with "or" rule
     Failure/Error: even          = Filter.new(&:even?)
     NameError:
       undefined local variable or method `numbers' for #<Filter:0xba4b2a20>
     # /tmp/d20141028-18133-5e99f0/solution.rb:47:in `initialize'
     # /tmp/d20141028-18133-5e99f0/spec.rb:115:in `new'
     # /tmp/d20141028-18133-5e99f0/spec.rb:115:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  21) NumberSet can combine multiple filters with "and" and "or" rules
     Failure/Error: even          = Filter.new(&:even?)
     NameError:
       undefined local variable or method `numbers' for #<Filter:0xba4b1f80>
     # /tmp/d20141028-18133-5e99f0/solution.rb:47:in `initialize'
     # /tmp/d20141028-18133-5e99f0/spec.rb:125:in `new'
     # /tmp/d20141028-18133-5e99f0/spec.rb:125:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  22) NumberSet can combine multiple filters with "and", "or" and parenthesis
     Failure/Error: even          = Filter.new(&:even?)
     NameError:
       undefined local variable or method `numbers' for #<Filter:0xba4b14f4>
     # /tmp/d20141028-18133-5e99f0/solution.rb:47:in `initialize'
     # /tmp/d20141028-18133-5e99f0/spec.rb:135:in `new'
     # /tmp/d20141028-18133-5e99f0/spec.rb:135:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  23) NumberSet is enumerable
     Failure/Error: numbers << number
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba4b0a7c>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:147:in `block (3 levels) in <top (required)>'
     # /tmp/d20141028-18133-5e99f0/spec.rb:146:in `each'
     # /tmp/d20141028-18133-5e99f0/spec.rb:146:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

  24) NumberSet returns enumerable of set's contents if no block is given to each
     Failure/Error: numbers << number
     NameError:
       undefined local variable or method `numbers' for #<NumberSet:0xba45be14>
     # /tmp/d20141028-18133-5e99f0/solution.rb:14:in `<<'
     # /tmp/d20141028-18133-5e99f0/spec.rb:162:in `block (3 levels) in <top (required)>'
     # /tmp/d20141028-18133-5e99f0/spec.rb:161:in `each'
     # /tmp/d20141028-18133-5e99f0/spec.rb:161:in `block (2 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (3 levels) in <top (required)>'
     # ./lib/language/ruby/run_with_timeout.rb:5:in `block (2 levels) in <top (required)>'

Finished in 0.02606 seconds
24 examples, 24 failures

Failed examples:

rspec /tmp/d20141028-18133-5e99f0/spec.rb:2 # NumberSet can store integers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:6 # NumberSet can store floating point numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:10 # NumberSet can store complex numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:14 # NumberSet can store rational numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:18 # NumberSet can compare numbers of different types
rspec /tmp/d20141028-18133-5e99f0/spec.rb:22 # NumberSet starts as empty collection
rspec /tmp/d20141028-18133-5e99f0/spec.rb:27 # NumberSet contains multiple numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:35 # NumberSet contains only unique numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:42 # NumberSet can filter by complex type
rspec /tmp/d20141028-18133-5e99f0/spec.rb:48 # NumberSet can filter by integer type
rspec /tmp/d20141028-18133-5e99f0/spec.rb:54 # NumberSet can filter by real type
rspec /tmp/d20141028-18133-5e99f0/spec.rb:60 # NumberSet can filter by custom filter
rspec /tmp/d20141028-18133-5e99f0/spec.rb:66 # NumberSet can filter positive numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:72 # NumberSet can filter non-positive numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:78 # NumberSet can filter negative numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:84 # NumberSet can filter non-negative numbers
rspec /tmp/d20141028-18133-5e99f0/spec.rb:90 # NumberSet can combine two filters with "and" rule
rspec /tmp/d20141028-18133-5e99f0/spec.rb:97 # NumberSet can combine two filters with "or" rule
rspec /tmp/d20141028-18133-5e99f0/spec.rb:104 # NumberSet can combine multiple filters with "and" rule
rspec /tmp/d20141028-18133-5e99f0/spec.rb:114 # NumberSet can combine multiple filters with "or" rule
rspec /tmp/d20141028-18133-5e99f0/spec.rb:124 # NumberSet can combine multiple filters with "and" and "or" rules
rspec /tmp/d20141028-18133-5e99f0/spec.rb:134 # NumberSet can combine multiple filters with "and", "or" and parenthesis
rspec /tmp/d20141028-18133-5e99f0/spec.rb:144 # NumberSet is enumerable
rspec /tmp/d20141028-18133-5e99f0/spec.rb:159 # NumberSet returns enumerable of set's contents if no block is given to each

История (3 версии и 0 коментара)

Александър обнови решението на 27.10.2014 12:01 (преди около 10 години)

+class NumberSet
+ attr_accessor :nums
+ include Enumerable
+
+ def each &block
+ numbers.each { |n| yield n }
+ end
+
+ def initialize
+ numbers = Array.new
+ end
+
+ def <<(other)
+ if not numbers.include?(other) then
+ numbers.push(other)
+ end
+ end
+
+ def size
+ counter = 0
+ numbers.each { |each| counter += 1 }
+ return counter
+ end
+
+ def empty?
+ numbers.size == 0
+ end
+
+ def [](class_name) #s block probwai ili sys self.neshto si
+ case class_name
+ when class_name == Filter then self.Filter.initialize
+ when class_name == TypeFilter then self.SingFilter.initialize
+ when class_name == SingFilter then self.SingFilter.initialize
+ end
+ end
+
+ def |(other)
+ numbers.each do |number|
+ numbers << other if not numbers == other
+ end
+ end
+end

Александър обнови решението на 27.10.2014 12:08 (преди около 10 години)

class NumberSet
attr_accessor :nums
include Enumerable
def each &block
numbers.each { |n| yield n }
end
def initialize
numbers = Array.new
end
def <<(other)
if not numbers.include?(other) then
numbers.push(other)
end
end
def size
counter = 0
numbers.each { |each| counter += 1 }
return counter
end
def empty?
numbers.size == 0
end
def [](class_name) #s block probwai ili sys self.neshto si
case class_name
when class_name == Filter then self.Filter.initialize
when class_name == TypeFilter then self.SingFilter.initialize
when class_name == SingFilter then self.SingFilter.initialize
end
end
def |(other)
numbers.each do |number|
numbers << other if not numbers == other
end
end
+end
+
+class Filter < NumberSet
+ filtered = NumberSet.new
+ def initialize(&block)
+ numbers.each do |number|
+ filtered << number if yield number
+ end
+ end
+end
+class SingFilter < NumberSet
+ attr_accessor :filtered
+ filtered = NumberSet.new
+ def initialize(key)
+ case key
+ when key == :positive then numbers.select { |n| n > 0 }
+ when key == :non_positive then numbers.select { |n| n <= 0 }
+ when key == :negative then numbers.select { |n| n < 0 }
+ when key == :non_negative then numbers.select { |n| n >= 0 }
+ end
+ filtered = numbers
+ end
+end
+
+class TypeFilter < NumberSet
+ attr_accessor :filtered
+ filtered = NumberSet.new
+ def initialize(key)
+ case key
+ when key == :integer then numbers.select { |n| n.is_a? Integer }
+ when key == :complex then numbers.select { |n| n.is_a? Complex }
+ when key == :real then
+ numbers.select { |n| n.is_a? Float or n.is_a? Rational }
+ end
+ filtered = numbers
+ end
end

Александър обнови решението на 27.10.2014 12:09 (преди около 10 години)

class NumberSet
attr_accessor :nums
include Enumerable
def each &block
numbers.each { |n| yield n }
end
def initialize
numbers = Array.new
end
def <<(other)
if not numbers.include?(other) then
numbers.push(other)
end
end
def size
counter = 0
numbers.each { |each| counter += 1 }
return counter
end
def empty?
numbers.size == 0
end
- def [](class_name) #s block probwai ili sys self.neshto si
+ def [](class_name)
case class_name
when class_name == Filter then self.Filter.initialize
when class_name == TypeFilter then self.SingFilter.initialize
when class_name == SingFilter then self.SingFilter.initialize
end
end
def |(other)
numbers.each do |number|
numbers << other if not numbers == other
end
end
end
class Filter < NumberSet
filtered = NumberSet.new
def initialize(&block)
numbers.each do |number|
filtered << number if yield number
end
end
end
class SingFilter < NumberSet
attr_accessor :filtered
filtered = NumberSet.new
def initialize(key)
case key
when key == :positive then numbers.select { |n| n > 0 }
when key == :non_positive then numbers.select { |n| n <= 0 }
when key == :negative then numbers.select { |n| n < 0 }
when key == :non_negative then numbers.select { |n| n >= 0 }
end
filtered = numbers
end
end
class TypeFilter < NumberSet
attr_accessor :filtered
filtered = NumberSet.new
def initialize(key)
case key
when key == :integer then numbers.select { |n| n.is_a? Integer }
when key == :complex then numbers.select { |n| n.is_a? Complex }
when key == :real then
numbers.select { |n| n.is_a? Float or n.is_a? Rational }
end
filtered = numbers
end
end