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Create concatenation of array.py

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	`1`	`+# Problem 1: Concatenation of Array`
	`2`	`+# Link: https://neetcode.io/problems/concatenation-of-array?list=neetcode250`
	`3`	`+`
	`4`	`+# You are given an integer array nums of length n. Create an array ans of length 2n where ans[i] == nums[i] and ans[i + n] == nums[i] for 0 <= i < n (0-indexed).`
	`5`	`+# Specifically, ans is the concatenation of two nums arrays.`
	`6`	`+# Return the array ans.`
	`7`	`+# Example:`
	`8`	`+# Input: nums = [1,4,1,2]`
	`9`	`+# Output: [1,4,1,2,1,4,1,2]`
	`10`	`+`
	`11`	`+nums = [1,4,1,2]`
	`12`	`+n = len(nums)`
	`13`	`+`
	`14`	`+ans = []`
	`15`	`+`
	`16`	`+def concat_array(nums,x):`
	`17`	`+ for i in range(0,x):`
	`18`	`+ for j in nums:`
	`19`	`+ ans.append(j)`
	`20`	`+`
	`21`	`+ print(ans)`
	`22`	`+`
	`23`	`+concat_array(nums,2)`

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