sumaiyaasif

# Given an unsorted array arr and a number n, 
# delete all numbers in arr that are greater than n.

arr = [3,4,6,1,8,2,6,7,10]
num = 7

def deleteElements(arr, num):
	for x in arr:
		if x > num:
			arr.remove(x)

sumaiyaasif

# Given an unsorted array arr, find the minimum difference between any pair in arr.

# Example:
# > minimumDiff([130, 5, 20, 9])
# > 4

def minimumDiff(arr):
	minimum = abs(arr[0] - arr[1])
	for i in range(len(arr)):
		for j in range(i+1, len(arr)):