Python GUI and Data Visualisation Quiz

What is the primary purpose of the `Tkinter` library in Python?

• To perform numerical computations

• To create graphical user interfaces

• To plot graphs and charts

• To manage file input and output

Which of the following is the convention to import the `NumPy` library in Python?

• `import numpy as np`

• `import numpy as npy`

• `import numpy as num`

• `import numpy as nmp`

In a Python script, what is the purpose of the `if __name__ == "__main__":` statement?

• To define a function

• To execute code only when the script is run directly

• To import modules

• To declare global variables

Which of the following commands is used to create a 2D plot in `Matplotlib`?

• `plt.plot()`

• `plt.scatter()`

• `plt.bar()`

• `plt.hist()`

What is the default geometry manager in `Tkinter`?

• `grid`

• `pack`

• `place`

• `canvas`

Which function is used to display a plot in `Matplotlib`?

• `plt.show()`

• `plt.display()`

• `plt.render()`

• `plt.exhibit()`

In `Tkinter`, which widget is used to create a button?

• `Label`

• `Entry`

• `Button`

• `Text`

What is the result of the following `NumPy` operation: `np.array([1, 2, 3]) + np.array([4, 5, 6])`?

• `[5, 7, 9]`

• `[4, 5, 6]`

• `[1, 2, 3]`

• `[0, 0, 0]`

Which of the following is a valid way to create a `Tkinter` window?

• `window = Tk()`

• `window = tkinter.Window()`

• `window = tkinter.Tk()`

• `window = Tkinter()`

What is the output of the following code snippet? ```python if __name__ == "__main__": print("Hello, World!") ```

• No output

• `Hello, World!`

• `__main__`

• `if __name__ == "__main__":`