What is Python Variables and how to use it?

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In Python, a variable is a symbolic name that references or points to a value. Variables are fundamental in programming because they allow you to store, modify, and retrieve data during the execution of a program. ### 1. **What is a Variable?**    - A variable is a name given to a data value. In Python, you don't need to declare a variable before using it. You simply assign a value to a variable, and Python automatically determines the data type based on the value.    - **Naming Conventions**:      - Must start with a letter (a-z, A-Z) or an underscore (_).      - Cannot start with a number.      - Can contain letters, numbers, and underscores.      - Python variables are case-sensitive (`myVar` and `myvar` are different variables).    **Example**:    ```python    x = 10    name = "Alice"    is_active = True    ```    - Here, `x`, `name`, and `is_active` are variables that store different types of values. ### 2. **Variable Assignment**    -

Your PC / Device ran into problem needs to restart

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•             INACCESSIBLE_BOOT_DEVICE

•             BAD_SYSTEM_CONFIG_INFO

•             CRITICAL_PROCESS_DIED

•             Stop code: 0xC0000021A

•             FAULTY_HARDWARE-CORRUPTED_PAGE

•             DPC_WATCHDOG_VIOLATION

•             KERNEL_SECURITY_CHECK_ERROR

•             MEMORY MANAGEMENT

•             SYSTEM THREAD EXCEPTION NOT HANDLED

•             IRQL_NOT_LESS_OR_EQUAL

•             UNMOUNTABLE BOOT VOLUME

•             WHEA_UNCORRECTABLE_ERROR

•             PFN_LIST_CORRUPT

•             APC_INDEX_MISMATCH

•             DRIVER POWER STATE FAILURE

•             DRIVER_VERIFIER_DETECTED_VIOLATION

•             HAL_INITIALIZATION_FAILED

•             MANUALLY_INITIATED_CRASH

•             UNEXPECTED KERNEL MODE TRAP

•             WDF_VIOLATION

It sounds like you're experiencing a system crash or a "blue screen of death" (BSOD). Here are some steps you can take to troubleshoot and resolve the issue:

1. **Note the Error Code**: If you can see an error code on the screen, make a note of it. This code can provide clues about the cause of the problem.

2. **Restart Your Computer**: Sometimes, a simple restart can resolve the issue. Allow the system to restart and see if the problem persists.

3. **Update Drivers**: Outdated or corrupt drivers can cause system crashes. Ensure all your drivers are up to date, especially graphics, chipset, and network drivers.

4. **Run a System Scan**: Use built-in tools to check for system file corruption.

   - **Windows**: Open Command Prompt as an administrator and run `sfc /scannow`.

   - **Mac**: Use Disk Utility to run First Aid on your system disk.

5. **Check for Software Conflicts**: Recent software installations or updates can cause conflicts. Uninstall any recently added software to see if the problem resolves.

6. **Check for Hardware Issues**: Faulty hardware, such as RAM or hard drives, can cause crashes. Use diagnostic tools to check your hardware.

   - **Windows**: Use the Windows Memory Diagnostic tool.

   - **Mac**: Use Apple Diagnostics or Apple Hardware Test.

7. **Update Your Operating System**: Make sure your operating system is up to date with the latest patches and updates.

8. **Check for Overheating**: Ensure your device is not overheating. Clean out any dust from the vents and ensure adequate ventilation.

9. **Run a Virus Scan**: Malware can cause system instability. Run a full system scan using a reliable antivirus program.

10. **Safe Mode**: Boot your computer in Safe Mode to see if the problem persists. Safe Mode runs with minimal drivers and can help isolate the issue.

If the problem continues, you might want to consider seeking professional help or performing a clean installation of your operating system.

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