fruits array length=9
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Using array elements
Element 0 in fruits array is3
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Concatenat array elements
elements 1 and 3 are300orange
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[3, 300, 50, 'orange', 'apple', 'pear', 'banana', 'apple', 'banana']
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element is 3
element is 300
element is 50
element is orange
element is apple
element is pear
element is banana
element is apple
element is banana
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slice [0,2] is[3, 300]
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delete apple in index 4
[3, 300, 50, 'orange', 'pear', 'banana', 'apple', 'banana']
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[3, 300, 50, 'orange', 'mango', 'banana', 'apple', 'banana']
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fruits has two banana element 2
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next banana index is7