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Python tuple example

A Python tuple is an immutable sequence type, meaning that once it is created, it cannot be modified. Here's a basic example to illustrate how to create and use tuples in Python:

```python

# Creating a tuple

my_tuple = (1, 2, 3, "apple", "banana")

# Accessing elements in a tuple

first_element = my_tuple[0]  # 1

second_element = my tuple[1]  # 2

# Slicing a tuple

sub_tuple = my_tuple[1:3]  # (2, 3)

# Tuples can be nested

nested_tuple = (1, 2, (3, 4, 5))

# Unpacking a tuple

a, b, c, d, e = my_tuple

# Looping through a tuple

for item in my_tuple:

    print(item)

# Trying to modify a tuple (this will raise an error)

# my_tuple[0] = 10  # TypeError: 'tuple' object does not support item assignment

```

Here's what happens in each part of the example:

**Creating a tuple**: `my_tuple` is created with mixed data types.

**Accessing elements**: Individual elements are accessed using their index.

**Slicing a tuple**: A portion of the tuple is accessed using slicing.

**Nested tuples**: Tuples can contain other tuples as elements.

**Unpacking a tuple**: Elements of the tuple are assigned to individual variables.

**Looping through a tuple**: Each element in the tuple is printed using a for loop.

**Immutability**: Attempting to change an element of the tuple results in a `Type Error` because tuples are immutable.

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Here are some basic and common examples of Python list operations:

### Creating a List

```python

# Creating a list of numbers

numbers = [1, 2, 3, 4, 5]

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Python List examples

Here are some basic and common examples of Python list operations:

### Creating a List

```python

# Creating a list of numbers

numbers = [1, 2, 3, 4, 5]

# Creating a list of strings

fruits = ["apple", "banana", "cherry"]

# Creating a mixed list

mixed_list = [1, "hello", 3.14, True]

```

### Accessing Elements

```python

# Accessing elements by index

first_number = numbers[0]  # 1

second_fruit = fruits[1]  # "banana"

# Accessing the last element

last_number = numbers[-1]  # 5

```

### Slicing a List

```python

# Getting a sublist

sublist = numbers[1:4]  # [2, 3, 4]

# Slicing with step

step_slice = numbers[::2]  # [1, 3, 5]

```

### Modifying Elements

```python

# Changing an element by index

numbers[2] = 10  # [1, 2, 10, 4, 5]

# Appending an element to the list

numbers.append(6)  # [1, 2, 10, 4, 5, 6]

# Inserting an element at a specific position

numbers.insert(1, 20)  # [1, 20, 2, 10, 4, 5, 6]

```

### Removing Elements

```python

# Removing an element by value

numbers. Remove(10)  # [1, 20, 2, 4, 5, 6]

# Removing an element by index

del numbers[1]  # [1, 2, 4, 5, 6]

# Popping the last element

last_element = numbers.pop()  # 6, numbers: [1, 2, 4, 5]

```

### List Operations

```python

# Concatenating lists

new_list = numbers + [7, 8, 9]  # [1, 2, 4, 5, 7, 8, 9]

# Repeating lists

repeated_list = fruits * 2  # ["apple", "banana", "cherry", "apple", "banana", "cherry"]

```

### List Comprehensions

```python

# Creating a list with a comprehension

squares = [x**2 for x in range(5)]  # [0, 1, 4, 9, 16]

# Filtering with a comprehension

even_numbers = [x for x in numbers if x % 2 == 0]  # [2, 4]

```

### List Functions and Methods

```python

# Finding the length of a list

length = len(numbers)  # 5

# Finding the maximum and minimum values

max_value = max(numbers)  # 5

min_value = min(numbers)  # 1

# Sorting a list

sorted_numbers = sorted(numbers)  # [1, 2, 4, 5]

numbers.sort()  # In-place sorting, numbers: [1, 2, 4, 5]

# Reversing a list

numbers.reverse()  # In-place reverse, numbers: [5, 4, 2, 1]

reversed_numbers = numbers[::-1]  # [1, 2, 4, 5]

```

These examples cover a wide range of common operations that can be performed on lists in Python.

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