Arrays in Python

The idea of arrays comes from that we have multiple variables of the same type and we want to put them together like this

name1 = 'Ahmed'
name2 = 'Ali'
name3 = 'Manar'

We put them in one array called "names"

names = ['Ahmed','Ali','Manar']

Access the Elements of an Array

You refer to an array element by referring to the index number.

x = names[1]
print(x)
Ali

Modify a value in the array

names[0] = "John"
print(names)
['John', 'Ali', 'Manar']

The Length of an Array

Use the len() method to return the length of an array (the number of elements in an array).

x = len(names)
print(x)
3

Looping Array Elements

You can use the for in loop to loop through all the elements of an array.

for i in names:
  print(i)
John
Ali
Manar

Adding Array Elements

You can use the append() method to add an element to an array.

names.append("Hoda")
print(names)
['John', 'Ali', 'Manar', 'Hoda']

Removing Array Elements

You can use the remove() method to remove an element from the array.

names.remove("Hoda")
print(names)
['John', 'Ali', 'Manar']

You can refer to the code form here