Create drop-duplicate-rows.py3

Author: kamyu104

Python3/drop-duplicate-rows.py3

@@ -0,0 +1,10 @@
+# Time:  O(n)
+# Space: O(n)
+
+import pandas as pd
+
+
+# pandas
+def dropDuplicateEmails(customers: pd.DataFrame) -> pd.DataFrame:
+    customers.drop_duplicates(subset=["email"], keep="first", inplace=True)
+    return customers