diff --git a/2026.4.2106 林伟泰.py b/2026.4.2106 林伟泰.py
new file mode 100644
index 0000000..a81763c
--- /dev/null
+++ b/2026.4.2106 林伟泰.py	
@@ -0,0 +1,14 @@
+text='Hello'
+print([ord(char)for char in text])
+print(chr(65))
+
+
+import math
+A=[3,4]
+B=[1,2]
+A_plus_B=[A[0]+B[0],A[1]+B[1]]
+print("1. A+B=",A_plus_B)
+two_times_A=[2*A[0],2*A[1]]
+print("2. 2*A=",two_times_A)
+length_A=math.sqrt(A[0]**2+A[1]**2)
+print("3. |A|,length_A")
\ No newline at end of file