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Line-by-Line Code Visualizer

Paste or write your Python code below, then click "Visualize Execution" to step through it line-by-line.

def twoSum(nums, target): prevMap = {} for i, n in enumerate(nums): diff = target - n if diff in prevMap: return [prevMap[diff], i] prevMap[n] = i return [] print(twoSum([2, 7, 11, 15], 9)) Visualize Execution