figure_with_marker.py

import matplotlib.pyplot as plt

# x axis values
x = [1, 2, 3, 4, 5, 6]
# corresponding y axis values
y = [2, 4, 1, 5, 2, 6]

# plotting the points
plt.plot(x, y, color='green', linestyle='dashed', linewidth=3,
         marker='o', markerfacecolor='blue', markersize=12)

# setting x and y axis range
plt.ylim(1, 8)
plt.xlim(1, 8)

# naming the x axis
plt.xlabel('x - axis')
# naming the y axis
plt.ylabel('y - axis')

# giving a title to my graph
plt.title('Some cool customizations!')

# function to show the plot
plt.show()