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The append() Method

The append() method adds a new element at the end of given array.

Syntax

array.append(v)

Parameters

  • v − new value is added at the end of the array. The new value must be of the same type as datatype argument used while declaring array object.

Example

 
import array as arr a = arr.array('i', [1, 2, 3]) a.append(10) print (a)

It will produce the following output −

array('i', [1, 2, 3, 10])

The insert() Method

The array class also defines insert() method. It is possible to insert a new element at the specified index.

Syntax

array.insert(i, v)

Parameters

  • i − The index at which new value is to be inserted.

  • v − The value to be inserted. Must be of the arraytype.

Example

 
import array as arr a = arr.array('i', [1, 2, 3]) a.insert(1,20) print (a)

It will produce the following output −

array('i', [1, 20, 2, 3])

The extend() Method

The extend() method in array class appends all the elements from another array of same typecode.

Syntax

array.extend(x)

Parameters

  • x − Object of array.array class

Example

 
import array as arr a = arr.array('i', [1, 2, 3, 4, 5]) b = arr.array('i', [6,7,8,9,10]) a.extend(b) print (a)

It will produce the following output −

array('i', [1, 2, 3, 4, 5, 6, 7, 8, 9, 10])




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