Write a method called partition that accepts a list of integers and an integer value val as its parameter, and rearranges (partitions) the list so that all the elements with values less than val occur before all elements with values greater than val. the exact order of the elements is important. for example, for the list(15, 1, 6, 12, –3, 4, 8, 21, 2, 30, –1, 9), only the acceptable ordering of the list after a call of partition(list, 5) would be (1, -3, 4, 2, –1, 15, 6, 12, 8, 21, 30, 9). you may assume that the list contains no duplicates and does not contain the element value val.

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Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability