diff --git a/Calculate.py b/Calculate.py
index 6054d60..3096e9b 100755
--- a/Calculate.py
+++ b/Calculate.py
@@ -111,6 +111,65 @@ import numpy as np
 import matplotlib.pyplot as plt
 
 
+def draw(a):
+    t = np.linspace(0, 2 * np.pi, 1025)
+    y = a * (2 * np.cos(t) - np.cos(2 * t))
+    x = a * (2 * np.sin(t) - np.sin(2 * t))
+    plt.xlim(-6, 6)
+    plt.ylim(-7, 4)
+    plt.plot(x, y, linewidth=1, color='red')
+    plt.fill_between(x, y, facecolor='yellow', alpha=0.5)
+
+
+plt.figure(num=1, figsize=(24, 6))
+plt.subplot(1, 3, 1)
+draw(0.5)
+plt.subplot(1, 3, 2)
+draw(1)
+plt.subplot(1, 3, 3)
+draw(2)
+plt.show()
+plt.savefig('heart.jpg')
+'''
+'''
+import numpy as np
+import matplotlib.pyplot as plt
+
+plt.rcParams['font.sans-serif'] = ['SimHei']
+plt.rcParams['axes.unicode_minus'] = False
+
+A1 = np.loadtxt('ex3.csv', dtype=str, delimiter=',')
+X = np.array(A1[13][1:])
+Y = np.array(A1[0][1:])
+plt.pie(X, labels=Y, autopct='%1.1f%%')
+plt.title('各科室总就诊人数')
+plt.savefig('饼图.png')
+plt.show()
+'''
+'''
+import numpy as np
+import matplotlib.pyplot as plt
+
+data = np.arange(0, 1, 0.001)
+plt.title("lines")
+plt.xlabel('x')
+plt.ylabel('y')
+plt.xlim((0, 1))
+plt.ylim((0, 1))
+b = np.arange(0, 1, 0.2)
+plt.xticks(b)
+plt.yticks([0, 0.5, 1])
+plt.plot(data, np.power(data, 2), linewidth=3, color='blue', linestyle='--')
+plt.plot(data, np.power(data, 3), linewidth=1, color='green')
+plt.legend(['y=x^2', 'y=x^3'])
+plt.savefig("jg.png")
+plt.show()
+'''
+'''
+import numpy as np
+import matplotlib.pyplot as plt
+
+
 def draw(a):
     t = np.linspace(0, 2 * np.pi, 1025)
     y = a * (2 * np.cos(t) - np.cos(2 * t))
diff --git a/datatype_info.py b/datatype_info.py
index 7a63793..18dccac 100755
--- a/datatype_info.py
+++ b/datatype_info.py
@@ -79,3 +79,22 @@ plt.plot(month, n2_data, marker='o', color='blue', linestyle='--', label='内二
 plt.legend(['内一科', '内二科'])
 plt.show()
 '''
+'''
+import numpy as np
+import matplotlib.pyplot as plt
+
+plt.rcParams['font.sans-serif'] = ['SimHei']
+plt.rcParams['axes.unicode_minus'] = False
+
+A1 = np.loadtxt('ex3.csv', dtype=str, delimiter=',')
+month = np.array(A1[:, 0][1:13])
+n1_data = [eval(x) for x in A1[:, 1][1:13]]
+n2_data = [eval(x) for x in A1[:, 2][1:13]]
+plt.title('内一科和内二科全年门诊量比较')
+plt.xlabel('月份')
+plt.ylabel('就诊人数')
+plt.plot(month, n1_data, marker='*', color='red', linestyle='-', label='内一科')
+plt.plot(month, n2_data, marker='o', color='blue', linestyle='--', label='内二科')
+plt.legend(['内一科', '内二科'])
+plt.show()
+'''
diff --git a/ex3.csv b/ex3.csv
index bbd25b9..da44f1d 100755
--- a/ex3.csv
+++ b/ex3.csv
@@ -1,14 +1,14 @@
-�·�,��һ��,�ڶ���,��һ��,�����,������,����,���Ǻ���,Ƥ����,��ҽ��,��ǻ��
-һ��,1239,803,672,1079,945,523,320,3292,404,978
-����,1034,789,693,845,864,451,240,181,270,910
-����,1152,975,819,894,944,655,291,182,429,1097
-����,803,842,708,684,759,681,395,129,242,935
-����,970,693,682,650,754,508,161,331,208,1105
-����,912,872,746,681,798,411,159,414,227,937
-����,921,866,771,618,872,439,200,428,338,1014
-����,902,829,735,663,801,485,179,439,252,992
-����,735,957,768,789,871,439,162,418,226,1130
-ʮ��,936,808,692,864,803,599,234,132,198,994
-ʮһ��,1099,1058,784,964,1031,535,315,203,315,1050
-ʮ����,1005,565,728,986,962,486,275,208,329,1109
-�ܼ�,11708,10057,8798,9717,10404,6212,2931,6357,3438,12251
+月份,内一科,内二科,外一科,外二科,妇产科,儿科,耳鼻喉科,皮肤科,中医科,口腔科
+一月,1239,803,672,1079,945,523,320,3292,404,978
+二月,1034,789,693,845,864,451,240,181,270,910
+三月,1152,975,819,894,944,655,291,182,429,1097
+四月,803,842,708,684,759,681,395,129,242,935
+五月,970,693,682,650,754,508,161,331,208,1105
+六月,912,872,746,681,798,411,159,414,227,937
+七月,921,866,771,618,872,439,200,428,338,1014
+八月,902,829,735,663,801,485,179,439,252,992
+九月,735,957,768,789,871,439,162,418,226,1130
+十月,936,808,692,864,803,599,234,132,198,994
+十一月,1099,1058,784,964,1031,535,315,203,315,1050
+十二月,1005,565,728,986,962,486,275,208,329,1109
+总计,11708,10057,8798,9717,10404,6212,2931,6357,3438,12251