diff --git a/260421-2509165027.py b/260421-2509165027.py
new file mode 100644
index 0000000..14d23ab
--- /dev/null
+++ b/260421-2509165027.py
@@ -0,0 +1,17 @@
+#题目1
+text="Hello"
+print(f"字符串'{text}'中的每个字符的ASCII码如下：")
+for ch in text :
+    print(f"字符'{char}':{ascii_val}")
+
+#题目3
+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)
+