Step by Step solution about How to resolve the algorithm Loop over multiple arrays simultaneously step by step in the Ruby programming language

In Ruby, the zip method combines the elements of several arrays into a single array of tuples. The tuples are created by pairing up the elements at the corresponding index in each array. If the arrays do not have the same length, the shortest array is used to determine the size of the returned array.

In the first example, the zip method is called on three arrays: ['a','b','c'], ['A','B','C'], and [1,2,3]. The block passed to the zip method is called for each tuple in the returned array. The block takes three arguments: i, j, and k, which correspond to the elements from the first, second, and third arrays, respectively. The block prints the concatenation of these three elements.

In the second example, the zip method is called on the same three arrays, but the block passed to the zip method is different. This time, the block takes a single argument, a, which is an array containing the elements from the corresponding tuple. The block prints the elements from the array, separated by a space.

In the third example, the zip method is called on two arrays of different lengths. The first array contains three elements, while the second array contains four elements. The zip method returns an array of three tuples, each of which contains an element from the first array and an element from the second array. The fourth element from the second array is not included in the returned array.

The zip method can be a useful way to combine data from multiple sources. It can be used to create new data structures, or to perform operations on data from multiple sources.

['a','b','c'].zip(['A','B','C'], [1,2,3]) {|i,j,k| puts "#{i}#{j}#{k}"}

['a','b','c'].zip(['A','B','C'], [1,2,3]) {|a| puts a.join}

irb(main):001:0> ['a','b','c'].zip(['A','B'], [1,2,3,4]) {|a| puts a.join}
aA1
bB2
c3
=> nil
irb(main):002:0> ['a','b','c'].zip(['A','B'], [1,2,3,4])
=> [["a", "A", 1], ["b", "B", 2], ["c", nil, 3]]