diff --git a/linked-list-cycle-ii.py b/linked-list-cycle-ii.py
new file mode 100644
index 00000000..a2793652
--- /dev/null
+++ b/linked-list-cycle-ii.py
@@ -0,0 +1,28 @@
+'''
+Time Complexity : O(m + n)
+Space Complexity : O(1) 
+Did this code successfully run on Leetcode : Yes
+Any problem you faced while coding this :  No
+'''
+# Definition for singly-linked list.
+class ListNode:
+    def __init__(self, x):
+        self.val = x
+        self.next = None
+
+class Solution:
+    def detectCycle(self, head):
+        slow = head
+        fast = head
+
+        while fast is not None and fast.next is not None:
+            slow = slow.next
+            fast = fast.next.next
+
+            if slow == fast:
+                fast = head
+                while slow != fast:
+                    slow = slow.next
+                    fast = fast.next
+                return slow
+        
\ No newline at end of file
diff --git a/remove-nth-node-from-end-of-list.py b/remove-nth-node-from-end-of-list.py
new file mode 100644
index 00000000..d173ea5b
--- /dev/null
+++ b/remove-nth-node-from-end-of-list.py
@@ -0,0 +1,31 @@
+'''
+Time Complexity : O(n) 
+Space Complexity : O(1) 
+Did this code successfully run on Leetcode : Yes
+Any problem you faced while coding this :  No
+'''
+# Definition for singly-linked list.
+class ListNode:
+    def __init__(self, val=0, next=None):
+        self.val = val
+        self.next = next
+class Solution:
+    def removeNthFromEnd(self, head, n):
+        if head is None:
+            return head
+        dummy = ListNode(0, head)
+        slow = dummy
+        fast = dummy
+        count = 0
+        while count <= n:
+            fast = fast.next
+            count += 1
+        
+        while fast is not None:
+            slow = slow.next
+            fast = fast.next
+        
+        slow.next = slow.next.next
+
+        return dummy.next
+        
\ No newline at end of file
diff --git a/reverse-linked-list.py b/reverse-linked-list.py
new file mode 100644
index 00000000..2d846d7f
--- /dev/null
+++ b/reverse-linked-list.py
@@ -0,0 +1,22 @@
+'''
+Time Complexity : O(n) 
+Space Complexity : O(1) 
+Did this code successfully run on Leetcode : Yes
+Any problem you faced while coding this :  No
+'''
+# Definition for singly-linked list.
+# class ListNode:
+#     def __init__(self, val=0, next=None):
+#         self.val = val
+#         self.next = next
+class Solution:
+    def reverseList(self, head):
+        prev = None
+        curr = head
+        while curr:
+            fast = curr.next
+            curr.next = prev
+            prev = curr
+            curr = fast
+        
+        return prev
\ No newline at end of file