Python Lists
Python Tutorial » Python Lists
Lists are very similar to arrays in Python. They can contain any type of variable, and many variables as you wish, or is used to store multiple items in a single variable
Lists are created using items between square brackets.
Example: Create Python List:
Output:
['George', 'John', 'Chris', 'Mary']
my_list = ["George", "John", "Chris", "Mary"]
print(my_list)
print(my_list)
Output:
['George', 'John', 'Chris', 'Mary']
Accessing Values in Lists - examples
To access values in lists, use the square brackets
Example:
my_list1[0]: instructors
my_list2[2:5]: [8, 9, 10]
my_list1 = ['instructors', 'variable', 2020, 2021];
my_list2 = [6, 7, 8, 9, 10, 11, 12 ];
print "my_list1[0]: ", my_list1[0]
print "my_list2[2:5]: ", my_list2[2:5]
Output: my_list2 = [6, 7, 8, 9, 10, 11, 12 ];
print "my_list1[0]: ", my_list1[0]
print "my_list2[2:5]: ", my_list2[2:5]
my_list1[0]: instructors
my_list2[2:5]: [8, 9, 10]
Allow Duplicates
In Python lists can have elements with the same value.
Example: allow duplicate values.
['John', 'Anna-Maria', 'Chris', 'Tom', 'John']
my_list = ["John", "Anna-Maria", "Chris", "Tom", "John"]
print(my_list)
Output:print(my_list)
['John', 'Anna-Maria', 'Chris', 'Tom', 'John']
List Items
Elements can be of any data type.
Example:
['John', 'Bann-Ann', 'Jose']
[12, 51, 72, 93, 36]
[False, True, False]
my_list1 = ["John", "Bann-Ann", "Jose"]
my_list2 = [12, 51, 72, 93, 36]
my_list3 = [False, True, False]
print(my_list1)
print(my_list2)
print(my_list3)
Output:my_list2 = [12, 51, 72, 93, 36]
my_list3 = [False, True, False]
print(my_list1)
print(my_list2)
print(my_list3)
['John', 'Bann-Ann', 'Jose']
[12, 51, 72, 93, 36]
[False, True, False]
Python lists append, index, pop, length, comprehension, function, to string, count, find, methods
Python Lists - python
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