array1 = [1,2,3,4,5,6,7,8,9,10] sum1 = 0 sum2 = 0 ser = 0 for i in (0..10) sum1 = array1[i] sum2 = (sum2 + sum1) end ser=sum/10 puts "ser = #{ser}"
Standard input is empty
Standard output is empty
prog.rb:8:in `+': nil can't be coerced into Fixnum (TypeError) from prog.rb:8:in `block in <main>' from prog.rb:5:in `each' from prog.rb:5:in `<main>'