fixed mistake

Author: MorvanZhou

matplotlibTUT/plt7_legend.py

@@ -30,11 +30,11 @@
 plt.yticks([-2, -1.8, -1, 1.22, 3],
            [r'$really\ bad$', r'$bad$', r'$normal$', r'$good$', r'$really\ good$'])
 
-l1, = plt.plot(x, y2, label='linear line')
-l2, = plt.plot(x, y1, color='red', linewidth=1.0, linestyle='--', label='square line')
+l1, = plt.plot(x, y1, label='linear line')
+l2, = plt.plot(x, y2, color='red', linewidth=1.0, linestyle='--', label='square line')
 
-# plt.legend(loc='upper right')
-plt.legend(handles=[l1, l2], labels=['up', 'down'],  loc='best')
+plt.legend(loc='upper right')
+# plt.legend(handles=[l1, l2], labels=['up', 'down'],  loc='best')
 # the "," is very important in here l1, = plt... and l2, = plt... for this step
 """legend( handles=(line1, line2, line3),
            labels=('label1', 'label2', 'label3'),