半成品

work/work（2）.py

@@ -0,0 +1,28 @@
+import numpy as np
+#1
+a="Hello"
+for i in a:
+    print(ord(i))
+print(chr(65))
+
+#3
+A=np.array([3,4])
+B=np.array([1,2])
+AB=A+B
+print(AB)
+A2=2*A
+print(A2)
+moA=np.linalg.norm(A)
+print(moA)
+
+#4
+C=np.array([1,2,3])
+D=np.array([4,5,6])
+dotCD=np.dot(C,D)
+print(dotCD)
+
+#5
+Doc1="Python是编程语言"
+Doc2="Java是编程语言"
+Doc1="Python Python Python"
+