# Plot distribution of var1
plt.subplot(3, 1, 1); sns.distplot(data['var1'])

# Plot distribution of var2
plt.subplot(3, 1, 2); sns.distplot(data['var2'])

# Plot distribution of var3
plt.subplot(3, 1, 3); sns.distplot(data['var3'])

# Show the plot
plt.show()