nelantone · January 27, 2021 11:58
diff --git a/normal_ruby_collection_case.rb b/normal_ruby_collection_case.rb
 a = ['a','b', 'c']
 
 a.each do |b| 
  b.upcase! # upcase is not an array method so we use `b` instead a[1] = 'd'
  a[1] = 'd'
 end

 p a # => ['Ad','d','Cd']
	a = ['a','b', 'c']

	a.each do \|b\|
	b.upcase! # upcase is not an array method so we use `b` instead a[1] = 'd'
	a[1] = 'd'
	end

	p a # => ['Ad','d','Cd']