Create bubble sort

bubble sort

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+def bubbleSort(arr): 
+	n = len(arr) 
+
+	# Traverse through all array elements 
+	for i in range(n-1): 
+	# range(n) also work but outer loop will repeat one time more than needed. 
+
+		# Last i elements are already in place 
+		for j in range(0, n-i-1): 
+
+			# traverse the array from 0 to n-i-1 
+			# Swap if the element found is greater 
+			# than the next element 
+			if arr[j] > arr[j+1] : 
+				arr[j], arr[j+1] = arr[j+1], arr[j] 
+
+# Driver code to test above 
+arr = [64, 34, 25, 12, 22, 11, 90] 
+
+bubbleSort(arr) 
+
+print ("Sorted array is:") 
+for i in range(len(arr)): 
+	print ("%d" %arr[i]),