What is Tuple in python | tuple | Python tutorial in urdu Hindi | python tutorial | learn Python
A tuple in Python is a data structure that is used to store an ordered collection of elements. Unlike lists, which are also used to store collections of elements, tuples are immutable, which means their elements cannot be changed after creation. Tuples are typically used to group related pieces of data together.
Here's a step-by-step explanation of tuples in Python:
Creating a Tuple:
You can create a tuple by enclosing a comma-separated sequence of values within parentheses. For example:
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my_tuple = (1, 2, 3)
You can also create a tuple without parentheses by simply separating the values with commas:
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my_tuple = 1, 2, 3
Both of these examples create a tuple with three elements, 1, 2, and 3.
Accessing Elements:
You can access individual elements of a tuple using indexing, just like with lists. The index starts from 0 for the first element. For example:
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first_element = my_tuple[0] # Accesses the first element (1)
Similarly, you can access other elements by changing the index.
Slicing:
You can also slice a tuple to extract a portion of it. Slicing allows you to create a new tuple that contains a subset of the elements. For example:
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sub_tuple = my_tuple[1:3] # Creates a new tuple with elements 2 and 3
Slicing returns a new tuple, so the original tuple remains unchanged.
Tuple Packing and Unpacking:
You can pack multiple values into a tuple in a single statement. For example:
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person = ("John", 30, "Engineer")
Here, we've packed the name, age, and occupation of a person into a tuple.
You can also unpack a tuple into individual variables:
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name, age, occupation = person
This assigns the values from the person tuple to the name, age, and occupation variables.
Tuple Immutability:
Tuples are immutable, which means you cannot change their elements after creation. For example, the following code would result in an error:
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my_tuple[0] = 4 # This will raise a TypeError
To modify a tuple, you need to create a new tuple with the desired changes.
Tuple Methods:
Tuples have a few built-in methods, such as count and index. count returns the number of times a value appears in the tuple, and index returns the index of the first occurrence of a value.
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my_tuple = (1, 2, 2, 3, 4, 2)
count_2 = my_tuple.count(2) # Returns 3
index_3 = my_tuple.index(3) # Returns 3
in this video i am going to explain tuples data structure in python
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