matplot

matplot1.py

from matplotlib import pyplot as plt

years = [1950, 1960, 1970, 1980, 1990, 2000, 2010]
gdp = [300.2, 543.3, 1075.9, 2862.5, 5979.6, 10289.7, 14958.3]

plt.plot(years, gdp, color='green', marker='o', linestyle='solid')

plt.title("Nominal GDP")

plt.ylabel("Billions of $")
plt.show()

matplot2.py

movies = ["Annie Hall", "Ben-Hur", "Casablanca", "Gandhi", "West Side Story"]
num_oscars = [5, 11, 3, 8, 10]

xs = [i + 0.1 for i, _ in enumerate(movies)]

plt.bar(xs, num_oscars)
plt.ylabel("# of Academy Awards")
plt.title("My Favorite Movies")
plt.xticks([i + 0.5 for i, _ in enumerate(movies)], movies)
plt.show()

scatter.py

friends = [70, 65, 72, 63, 71, 64, 60, 64, 67]
minutes = [175, 170, 205, 120, 220, 130, 105, 145, 190]
labels = ['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i']

plt.scatter(friends, minutes)

for label, friend_count, minute_count in zip(labels, friends, minutes):
    plt.annotate(label, 
                 xy=(friend_count, minute_count), 
                 xytext=(5, -5), 
                 textcoords='offset points')

plt.title("Daily Minutes vs, Number of Friends")
plt.xlabel("# of friends")
plt.ylabel("daily minutes spent on the site")
plt.show()