correct Day5 homework and upload Day6 homework

Author: alvinhuu

D05/homework.py

@@ -39,10 +39,8 @@ def Tstd():
 
 #2. 第五位同學補考數學後成績為 55，請計算補考後數學成績平均、最大值、最小值、標準差？
 math_score[4]=55
-Tavg()
-Tmax()
-Tmin()
-Tstd()
+print("補考數學後")
+print("數學分數 ","平均",np.nanmean(math_score),"最大值",np.nanmax(math_score),"最小值",np.nanmin(math_score),"標準差",np.nanstd(math_score))
 
 #3. 用補考後資料找出與國文成績相關係數最高的學科？
 E=np.corrcoef(english_score, chinese_score)

D06/homework.py

@@ -0,0 +1,21 @@
+import numpy as np
+
+array1 = np.array(range(30))
+array2 = np.array([2,3,5])
+array3 = np.array([[4,5,6], [1,2,3]])
+#將兩列 array 存成 npz 檔
+with open('array.npz','wb') as f:
+    np.savez(f, array1, array2) 
+
+#讀取剛剛的 npz 檔，加入下列 array 一起存成新的 npz 檔
+npzfile = np.load('array.npz')
+A1 = npzfile['arr_0']
+A2 = npzfile['arr_1']
+
+print(A1, A2)
+
+with open('final123.npz','wb') as f:
+    np.savez(f, A1, A2, array3)
+
+Finally=np.load('final123.npz')
+print(Finally.files)