save project

test.py

+# def qiuhe(a):
+#     sum=0
+#     for i in range(1,a+1):
+#         sum+=i
+#     print(sum)
+# qiuhe()
+# def oushu(a):
+#     for i in range(0,a+1,2):
+#         print(i)
+# oushu(100)        
+def qiuhe(a,b):
+    sum=0
+    for i in range(a,b+1):
+        sum+=i
+    print(sum)
+qiuhe(1,200)    
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