Merge Overlapping Sorted Intervals

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Your question is Merge Overlapping Sorted Intervals. Start with the requirements on the right.

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Problem

Given an array of intervals intervals, where each interval is a two-element array [start, end], merge all overlapping intervals and return a new array of non-overlapping intervals sorted by their start time. Each returned interval should cover the full range of all intervals merged into it.

Constraints

1 <= intervals.length <= 10^4
intervals[i].length == 2
0 <= start <= end <= 10^4
The input intervals are not guaranteed to be sorted

Function Signature

def merge_intervals(intervals):

Your solutionPython 3

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