Ruby Array - Addition

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    def end_arr_add(arr, element) # Add element to the end of the Array variable arr and return arr return arr.push(element) end

    def begin_arr_add(arr, element) # Add element to the beginning of the Array variable arr and return arr arr.unshift(element) return arr end

    def index_arr_add(arr, index, element) # Add element at position index to the Array variable arr and return arr arr.insert(index,element) return arr end

    def index_arr_multiple_add(arr, index) # add any two elements to the arr at the index arr.insert(index,20,30) return arr end

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        arr.push(element)
    
        arr.unshift(element)
    
        arr.insert(index, element)
    
        arr.insert(index, 99,98)
    
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    This is a SOlution :

    def end_arr_add(arr, element) # Add element to the end of the Array variable arr and return arr arr.push(element) end

    def begin_arr_add(arr, element) # Add element to the beginning of the Array variable arr and return arr arr.unshift(element) end

    def index_arr_add(arr, index, element) # Add element at position index to the Array variable arr and return arr arr.insert(index, element) end

    def index_arr_multiple_add(arr, index) # add any two elements to the arr at the index arr.insert(index, 10, 20) end

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