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Leetcode Question: 1556 ************************

1556. Thousand Separator

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Given an integer n, add a dot (".") as the thousands separator and return it in string format.

 

Example 1:

Input: n = 987
Output: "987"

Example 2:

Input: n = 1234
Output: "1.234"

 

Constraints:

• 0 <= n <= 231 - 1

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Solutions: Python   Java  C++
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