(1901100068)自学训练营学习15群 DAY3 (#4768)

* wo1

we1

* Create 1001s02E02_hello_python.py

* Update 1001s02E02_hello_python.py

* Create 1001S02E03_calculator.py

Author: chengfeng195

exercises/1901100068/1001S02E03_calculator.py

@@ -0,0 +1,18 @@
+#程序不完善
+operator=input('+、-、*、/')
+first_number=input('数值one')
+second_number=input('数值two')
+
+a=int(first_number)
+b=int(second_number)
+
+if operator=='+':
+        print(a,'+',b,'=',a+b)
+elif operator=='-':
+        print(a,'-',b,'=',a-b)
+elif operator=='*':
+        print(a,'*',b,'=',a*b)
+elif operator=='/':
+        print(a,'/',b,'=',a/b)
+else:
+        print('程序有待完善')