Demo# Note This is a demo of the markdown syntax used in this documentation. It is not part of the site. my_file.py1 2 3 4 5 6 7import numpy as np import matplotlib.pyplot as plt x = np.linspace(0, 2 * np.pi, 400) # (1)! y = np.sin(x ** 2) plt.plot(x, y) plt.show() This is a comment in the code block. CC++ #include <stdio.h> int main(void) { printf("Hello world!\n"); return 0; } #include <iostream> int main(void) { std::cout << "Hello world!" << std::endl; return 0; } Click to expand ??? makes for collapsible content P