auto save

diy1.py

-import turtle
-# pen=turtle.Pen()
-# pen.write("jyu\nyy",font=("MS Gothsic",50,"normal"))
-p=turtle.Pen()
-p.color("red")
-p.left(45)
-p.forward(100)
-p.circle(50,180)
-p.right(90)
-p.circle(50,180)
-p.forward(100)
-turtle.done()
+c=int(input("请输入长度："))
+b=input("请输入单位:")
+if b=="英寸" or b=="in":
+    a=c/2.54
+    print(c,"英寸","是",a,"厘米")
+elif b=="厘米" or b=="cm":
+    a=c*2.54
+    print(c,"厘米","是",a,"英寸")
+else:
+    print("请输入有效答案")
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