﻿ Python: Remove the first occurrence of a specified element from an array - w3resource # Python: Remove the first occurrence of a specified element from an array

## Python: Array Exercise-12 with Solution

Write a Python program to remove the first occurrence of a specified element from an array.

Pictorial Presentation: Sample Solution:

Python Code:

``````from array import *
array_num = array('i', [1, 3, 5, 3, 7, 1, 9, 3])
print("Original array: "+str(array_num))
print("Remove the first occurrence of 3 from the said array:")
array_num.remove(3)
print("New array: "+str(array_num))
``````

Sample Output:

```Original array: array('i', [1, 3, 5, 3, 7, 1, 9, 3])
Remove the first occurrence of 3 from the said array:
New array: array('i', [1, 5, 3, 7, 1, 9, 3])
```

Python Code Editor:

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## Python: Tips of the Day

Python: Membership Testing in a Collection

```>>> a = ('one', 'two', 'three', 'four', 'five')
>>> if 'one' in a:
...     print('The tuple contains one.')
...
The tuple contains one.
>>> b = {0: 'zero', 1: 'one', 2: 'two', 3: 'three'}
>>> if 2 in b.keys():
...     print('The dict has the key of 2.')
...
The dict has the key of 2.
```