https://codingforchemistsbook.com/book_material/chapter-17/index.html Data Download Data for Chapter 17 Alternatively, individual files can be found in the Data section. Code from chapter Code for this chapter will appear here. Solutions to Exercises Exercise 1 There are no exercises for this chapter. Congratulations on completing the book! import numpy as np import plotly.graph_objects as go theta = np.linspace(0, 2*np.pi, 200) f_x = np.cos(theta) f_y = np.sin(theta) left = (-0.3, 0.4) right = (0.3, 0.4) m_theta = np.linspace(0, np.pi, 100) m_x = 0.5 * np.cos(m_theta) m_y = -0.4 + 0.2 * -np.sin(m_theta) m_x = 0.66*np.cos(theta) m_y = -abs(0.66*np.sin(theta)) fig = go.Figure() fig.add_scatter(x=f_x, y=f_y, #fill='toself', mode='lines', line_color='black', #fillcolor='yellow' ) fig.add_scatter(x=[left[0]], y=[left[1]], mode='markers', marker=dict(size=20, color='black')) fig.add_scatter(x=[right[0]], y=[right[1]], mode='markers', marker=dict(size=20, color='black')) fig.add_scatter(x=m_x, y=m_y, mode='lines', line=dict(width=4, color='black')) fig.update_layout( title="Congratulations!", template = "simple_white", paper_bgcolor='yellow', plot_bgcolor='yellow', xaxis=dict(showgrid=False, zeroline=False, visible=False), yaxis=dict(showgrid=False, zeroline=False, visible=False), width=500, height=500, margin = dict(l = 40, r = 40, t = 40, b = 40), showlegend=False ) fig.update_yaxes(scaleanchor="x", scaleratio=1) fig.show("png") Hugo en-us authors@codingforchemistsbook.com (Benjamin Lear and Christopher Johnson) authors@codingforchemistsbook.com (Benjamin Lear and Christopher Johnson)