Create d3_exercise_calculator.py

Author: yeerya

19100304/yeerya/d3_exercise_calculator.py

@@ -0,0 +1,31 @@
+def add(x,y):
+    """相加"""
+    return x+y
+def subtract(x,y):
+    """相减"""
+    return x-y
+def multiply(x,y):
+    """相乘"""
+    return x*y
+def divide(x,y):
+    """相除"""
+    return x/y
+
+print("请选择运算：")
+print("1、相加")
+print("2、相减")
+print("3、相乘")
+print("4、相除")
+choice=input("请输入你的选择（1/2/3/4）:")
+num1=int(input("请输入第一个数字:"))
+num2=int(input("请输入第二个数字:"))
+if choice=='1':
+    print(num1,"+",num2,"=",add(num1,num2))
+elif choice=='2':
+    print(num1,"-",num2,"=",subtract(num1,num2))
+elif choice=='3':
+    print(num1,"*",num2,"=",multiply(num1,num2))
+elif choice=='4':
+    print(num1,"/",num2,"=",divide(num1,num2))
+else:
+    print("输入有误、请重新输入")