Check out example codes for "Ruby difference between for and .each". It will help you in understanding the concepts better.
Code Example 1
# They are both similar in function, however the for loop will retain a variable. # FOR Example: nums = [1,2,3] for n in nums puts n end => 1 2 3 # If you ask what is n, n outputs the last assignment from the function. n => 3 # EACH Example: nums.each do |i| puts i end => 1 2 3 # If you ask what is i. i => NameError (undefined local variable or method `i' for main:Object)
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