diff --git a/README.md b/README.md
index 9cb3ef4..0b38cb4 100644
--- a/README.md
+++ b/README.md
@@ -59,7 +59,46 @@ def work(x):
     plt.grid(linestyle=':',alpha=0.3)
     plt.savefig('project/step7/image/user.png')
 
+3.
+import matplotlib
+import matplotlib.pyplot as plt
+import numpy as np
+plt.rcParams['font.sans-serif']=['SimHei']
+def work(x,y):
+    # ********** Begin *********#
+    n = ['语文','数学','英语','物理','化学','历史','政治','体育','美术','音乐']
+    z = np.arange(len(n))
+    plt.figure(figsize=(10, 10))
+    width = 0.4
+    fig,ax = plt.subplots(figsize=(10, 10))
+    rect1 = ax.bar(z-width/2,x,color = '#3170a7',width=width,label='小明')
+    rect2 = ax.bar(z+width/2,y,color = 'pink',width=width,label='小花')
+    ax.set_ylabel('分数')
+    ax.set_title('小明与小花期末考试的各科成绩')
+    ax.set_xticks(z)
+    ax.set_xticklabels(n)
+    ax.legend()
+    plt.legend(loc='upper left')
+    plt.savefig('project/step3/image/user.png')
+    plt.close()
+    # ********** End **********#
+   6.
+import matplotlib
+import matplotlib.pyplot as plt
+plt.rcParams['font.sans-serif']=['SimHei']
+def work(x):
+    # ********** Begin *********#
+    plt.figure(figsize=(10,10))
+    labels = ['语文','数学','英语','物理','化学','历史','政治','体育','美术','音乐']
+    plt.title('小明的期末成绩各科占比')
+    max_val = max(x)
+    explode = [0.1 if val == max_val else 0 for val in x]
+    plt.pie(x,labels=labels,autopct='%.2f%%',explode=explode)
+    plt.savefig('project/step6/image/user.png')
+
+
 
+    # ********** End **********#
 
 
     # ********** End **********#
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