diff --git a/meeting-rooms/sungjinwi.py b/meeting-rooms/sungjinwi.py
new file mode 100644
index 000000000..392a34e87
--- /dev/null
+++ b/meeting-rooms/sungjinwi.py
@@ -0,0 +1,23 @@
+"""
+    
+"""
+
+"""
+Definition of Interval:
+class Interval(object):
+    def __init__(self, start, end):
+        self.start = start
+        self.end = end
+"""
+
+class Solution:
+    """
+    @param intervals: an array of meeting time intervals
+    @return: if a person could attend all meetings
+    """
+    def can_attend_meetings(self, intervals: List[Interval]) -> bool:
+        sorted_interval = sorted(intervals, key=lambda x: x.start)
+        for i in range(1, len(sorted_interval)) :
+            if sorted_interval[i].start < sorted_interval[i - 1].end:
+                return False
+        return (True)