* Design a function that takes as input an array of integers and returns a new array with duplicates removed, preserving the original order of elements. *Difference between package,library,modules *Write a Python function that filters out all elements greater than or equal to threshold value from a list of numbers and returns the average of other numbers filter_and_average(numbers, threshold) *Sql joins *about pandas List ,tuple, set, dict *Based on resume, asked ques on internship mentioned I mentioned machine learning as internship so asked about different algorithms in ml, Linear regression.