auto save

1.py

+# 请用递归的知识实现1+2+3+...+num的累加和
+def func(num):
+    if num == 1:
+        return num == 1
+    else:
+        return num + func(num - 1)
+print(func(100))
+    
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2.py

+def func(n):
+    if n<=2:
+        return 1
+    elif n>2:
+        value = func(n-1)+func(n-2)
+        return value
+result
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