Things to know before admitting your kids to school

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Here are few things that you must know or take care of before admitting your kids to school. If you are not taking care of these things, you might be putting you children to wrong school, risking life. Only irresponsible parents do this mistake who all do not love their children or one who are not serious about their children or one who are uneducated. So, let me guide you to few thins that you need to take care of before admitting your children to school. 1. See if school is registered to local registerer (respective government). 2. Check the classroom, bathroom, playground, kitchen, it needs to be clean. 3. Sit in the classroom for 5 to 10 min., see how they lecture children. 4. Check the school fee, other fee, transportation fee, see if you can afford. 5. Check the food they fed to children, how many times, they give food to children. 6. Check the school duration, start and end time, usually for children 4 to 8 hours, see for how long your student can sit in class. 7. Ask for holida...

What is Python Lambda and how to use it?

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A **Python Lambda function** is a small anonymous function defined with the keyword `lambda`. Unlike normal functions defined using `def`, a lambda function is used for simple, one-liner functions, and doesn't require a name. It can take any number of arguments but can only have one expression.

### Syntax of a Lambda Function:

```python

lambda arguments: expression

```

- **arguments**: Parameters to the function

- **expression**: A single expression that the function will return

### How to Use Lambda Functions:

1. **Basic Example**:

   Here's a lambda function that adds 2 to a number.

   ```python

   add_two = lambda x: x + 2

   print(add_two(5))  # Output: 7

   ```

2. **Multiple Arguments**:

   You can have multiple arguments in a lambda function.

   ```python

   multiply = lambda a, b: a * b

   print(multiply(4, 3))  # Output: 12

   ```

3. **Use in Higher-Order Functions**:

   Lambda functions are often used with functions like `map()`, `filter()`, and `reduce()`.

   - **Using with `map()`**:

     ```python

     numbers = [1, 2, 3, 4]

     doubled = list(map(lambda x: x * 2, numbers))

     print(doubled)  # Output: [2, 4, 6, 8]

     ```

   - **Using with `filter()`**:

     ```python

     numbers = [1, 2, 3, 4, 5]

     even = list(filter(lambda x: x % 2 == 0, numbers))

     print(even)  # Output: [2, 4]

     ```

   - **Using with `reduce()`** (from the `functools` module):

     ```python

     from functools import reduce

     numbers = [1, 2, 3, 4]

     product = reduce(lambda x, y: x * y, numbers)

     print(product)  # Output: 24

     ```

### When to Use Lambda Functions:

- When you need a small function for a short period of time.

- Useful when passing simple functionality to higher-order functions.

- Avoid using lambda for complex logic—use `def` for readability and maintainability.

### Limitations:

- Lambdas are limited to a single expression. They cannot contain multiple statements.

- For more complex functions, it’s better to define a regular function using `def`.

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