save project

lqy1.py

@@ -32,3 +32,10 @@ str3 ='''hahaha'''
 str4 = '''haha
 str4 = '''haha
 ha'''
 ha'''
 print(str1,str2,str3,str4)
 print(str1,str2,str3,str4)
+
+string = "Hello World!"
+print("string=",string)
+print("string[0]",string[0])
+print("string[-1]",string[-1])
+print("string[1:8]",string[1:8])
+print("string[1:-3]",string[1:-3])
\ No newline at end of file

lqy2.py

 input_d=int(input("长："))
 input_d=int(input("长："))
 input_h=int(input("高："))
 input_h=int(input("高："))
-print（"面积是:",input_d*input_h/2）
+print（"面积是",input_d*input_h/2）
\ No newline at end of file