Answer :
Answer:
The **`%hist`** command is used in **IPython** (an enhanced interactive Python shell) to display the command history. It shows a list of previously executed commands along with their corresponding line numbers. However, it does not directly affect the behavior of plots or saving them.
To keep a plot open while saving it, you can follow these steps using **Matplotlib** (a popular Python plotting library):
1. **Create and Display the Plot**:
- First, create your plot using Matplotlib.
- Use functions like `plt.plot()`, `plt.scatter()`, or any other relevant plotting function.
- After creating the plot, use `plt.show()` to display it.
2. **Save the Plot**:
- Once the plot is displayed, you can save it to a file (e.g., PNG, PDF, SVG) using `plt.savefig()`.
Here's an example of how to create a plot, display it, and save it:
```python
import matplotlib.pyplot as plt
import numpy as np
# Create some sample data
x = np.linspace(0, 2 * np.pi, 100)
y = np.sin(x)
# Create the plot
plt.plot(x, y)
plt.title("Sine Wave")
plt.xlabel("x")
plt.ylabel("sin(x)")
# Display the plot
plt.show()
# Save the plot to a file (e.g., "sine_wave.png")
plt.savefig("sine_wave.png")
```
In this example:
- We create a sine wave plot using NumPy and Matplotlib.
- We display the plot using `plt.show()`.
- We save the plot to a file named "sine_wave.png" using `plt.savefig()`.
Remember to adjust the plot settings (such as labels, titles, colors) according to your specific use case.