Create README.md

Author: BlaiseBaptist

README.md

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+
+# Linked Lists
+## Data Structure
+### Nodes
+Nodes have a number in them and point to another node
+```
+class linked_list():
+    def __init__(self, contents=[], first=None):
+        self.first = linked_list.__node(None,first)
+        self.last = self.first
+        self.len = 0
+        for e in contents:
+            self.append(e)
+```
+
+## Sorting Algorithms
+### Bubble
+  O(n<sup>2</sup>) time complexity for both
+### Selection and Insertion
+also O(n<sup>2</sup>) time complexity for both
+### Merge and Quick
+O(n log n) time complexity for both