From 4fc751affb0fba096c9263256555d59aa82615aa Mon Sep 17 00:00:00 2001
From: Baturu <45113401+z80160280@users.noreply.github.com>
Date: Mon, 31 May 2021 18:42:19 -0700
Subject: [PATCH] =?UTF-8?q?Update=200202.=E5=BF=AB=E4=B9=90=E6=95=B0.md?=
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---
 problems/0202.快乐数.md | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/problems/0202.快乐数.md b/problems/0202.快乐数.md
index c07405ec..999e7d52 100644
--- a/problems/0202.快乐数.md
+++ b/problems/0202.快乐数.md
@@ -108,7 +108,29 @@ class Solution {
 ```
 
 Python：
-
+```python
+class Solution:
+    def isHappy(self, n: int) -> bool:
+        set_ = set()
+        while 1:
+            sum_ = self.getSum(n)
+            if sum_ == 1:
+                return True
+            #如果这个sum曾经出现过，说明已经陷入了无限循环了，立刻return false
+            if sum_ in set_:
+                return False
+            else:
+                set_.add(sum_)
+            n = sum_
+            
+    #取数值各个位上的单数之和
+    def getSum(self, n):
+        sum_ = 0
+        while n > 0:
+            sum_ += (n%10) * (n%10)
+            n //= 10
+        return sum_
+```
 
 Go：