136. Single Number

Author: PTHARRISH

leet code/75 leetcode/136.Single Number.py

@@ -0,0 +1,12 @@
+# 136. Single Number
+def single_number(nums):
+    data = {}
+    for i in nums:
+        if i not in data:
+            data[i] = 1
+        else:
+            del data[i]
+    return list(data.keys())[0]
+
+nums = list(map(int,input('enter the numbers: ').split(',')))
+print(single_number(nums))