diff --git a/LeetCode  Solutions/1869. Longer Contiguous Segments of Ones than Zeros/LongerContiguousSegments ofOnesthanZeros.py b/LeetCode  Solutions/1869. Longer Contiguous Segments of Ones than Zeros/LongerContiguousSegments ofOnesthanZeros.py
new file mode 100644
index 0000000..12b5c01
--- /dev/null
+++ b/LeetCode  Solutions/1869. Longer Contiguous Segments of Ones than Zeros/LongerContiguousSegments ofOnesthanZeros.py	
@@ -0,0 +1,22 @@
+class Solution:
+    def checkZeroOnes(self, s: str) -> bool:
+        def check(num):
+            return num=='1'
+        def big(x,y):
+            return x>y
+        oc=0
+        zc=0
+        o=0
+        z=0
+        for x in s:
+            if check(x):
+                oc+=1
+                if big(zc,z):z=zc
+                zc=0
+            else:
+                zc+=1
+                if big(oc,o):o=oc
+                oc=0
+        if big(zc,z):z=zc
+        if big(oc,o):o=oc
+        return big(o,z)