save project

diy1.py

 import random
 num=0
-while num<4:
-a=input("我出拳是: ")
-gn=["石头","剪刀","布"]
-print("出的拳是:"+a)
-b=random.choice(gn)
-print("计算机出拳: "+b)
-if a in gn:
-    if a==b:
-        print("平局")
-    elif (a=="石头" and b=="剪刀") or (a=="剪刀" and b=="布") or (a=="布" and b=="石头"):
-        print("我赢了")
+while num<3:
+    a=input("我出拳是: ")
+    gn=["石头","剪刀","布"]
+    print("出的拳是:"+a)
+    b=random.choice(gn)
+    print("计算机出拳: "+b)
+    if a in gn:
+        if a==b:
+            print("平局")
+        elif (a=="石头" and b=="剪刀") or (a=="剪刀" and b=="布") or (a=="布" and b=="石头"):
+            print("我赢了")
+            num=num+1
+        else:
+            print("计算机赢了")
     else:
-        print("计算机赢了")
-else:
-    print("输入错误")
+        print("输入错误")