Mutable Sequence Types in Python

Example

List

>>> companies = ['tata','wipro','accenture']
>>> companies
['tata', 'wipro', 'accenture']
>>> companies[0]='tcs'
>>> companies
['tcs', 'wipro', 'accenture']
>>> companies[-1]='cognizant'
>>> companies
['tcs', 'wipro', 'cognizant']

Dictionary

>>> dictionary1 = {'Prep':'Insta', 1:'Myname'}
>>> dictionary1
{'Prep': 'Insta', 1: 'Myname'}
>>> dictionary1['Prep']='PrepInsta'
>>> dictionary1
{'Prep': 'PrepInsta', 1: 'Myname'}
>>> dictionary1[0]='Prep'
>>>dictionary1
{'Prep': 'PrepInsta', 1: 'Myname', 0: 'Prep'}

Set

>>> set1=set(companies)
>>> set1
{'wipro', 'tcs', 'cognizant'}
>>> set1.add('accenture')
>>> set1
{'accenture', 'wipro', 'tcs', 'cognizant'}