Computer Science, asked by VedicBhatnagar, 1 year ago

What are tuples and dictionaries in Python?

Answers

Answered by GhaintKudi45
6
HEY DEAR!!

A tuple is a data structure that is an immutable, or unchangeable, ordered sequence of elements. Because tuples are immutable, their values cannot be modified.
A Python dictionary is a mapping of unique keys to values. Dictionaries are mutable, which means they can be changed. The values that the keys point to can be any Python value.


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Answered by Anonymous
1

Hi,

What is Tuple?

Tuple is list of immutable objects. Means we can't change them, but their values may change.

syntax:

tuple_of_names = ('Ajay', 'Nitiz', 'Pankaj);

we can fetch the friend using following syntax

tuple_of_names[0]

What are dictionaries in Python?

In Python Dictionaries are just like associative array of php. Actually they are just like tuples but if w have to access the value of dictionary then we use key instead of index, but we can mutate it.

We can make a dictionary with the help of dict() constructor

syntax

this_is_dict = dict(friendOne="Ajay", friendTwo="Nitiz", friendThree="Pankaj");

we can fetch particular friend by using following syntax:

suppose we want to fetch Nitiz, syntax will be

print(this_is_dict ["friendTwo"]);

So main difference is:

1.) Tuples are index based but dictionaries are key based

2.) Tuples are immutable whereas Dictionaries are mutable.

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