feat: add pandas solutions to lc problems: No.0182,0183 (#1868)

Author: nrhitik

solution/0100-0199/0182.Duplicate Emails/README.md

@@ -83,4 +83,17 @@ FROM
 WHERE p1.id != p2.id AND p1.email = p2.email;
 ```
 
+```python
+import pandas as pd
+
+
+def duplicate_emails(person: pd.DataFrame) -> pd.DataFrame:
+    results = pd.DataFrame()
+
+    results = person.loc[person.duplicated(subset=["email"]), ["email"]]
+
+    return results.drop_duplicates()
+
+```
+
 <!-- tabs:end -->

solution/0100-0199/0182.Duplicate Emails/README_EN.md

@@ -77,4 +77,17 @@ FROM
 WHERE p1.id != p2.id AND p1.email = p2.email;
 ```
 
+```python
+import pandas as pd
+
+
+def duplicate_emails(person: pd.DataFrame) -> pd.DataFrame:
+    results = pd.DataFrame()
+
+    results = person.loc[person.duplicated(subset=["email"]), ["email"]]
+
+    return results.drop_duplicates()
+
+```
+
 <!-- tabs:end -->

solution/0100-0199/0182.Duplicate Emails/Solution.py

@@ -0,0 +1,9 @@
+import pandas as pd
+
+
+def duplicate_emails(person: pd.DataFrame) -> pd.DataFrame:
+    results = pd.DataFrame()
+
+    results = person.loc[person.duplicated(subset=["email"]), ["email"]]
+
+    return results.drop_duplicates()

solution/0100-0199/0183.Customers Who Never Order/README.md

@@ -105,4 +105,19 @@ FROM
 WHERE o.id IS NULL;
 ```
 
+```python
+import pandas as pd
+
+
+def find_customers(customers: pd.DataFrame, orders: pd.DataFrame) -> pd.DataFrame:
+    # Select the customers whose 'id' is not present in the orders DataFrame's 'customerId' column.
+    df = customers[~customers["id"].isin(orders["customerId"])]
+
+    # Build a DataFrame that only contains the 'name' column and rename it as 'Customers'.
+    df = df[["name"]].rename(columns={"name": "Customers"})
+
+    return df
+
+```
+
 <!-- tabs:end -->

solution/0100-0199/0183.Customers Who Never Order/README_EN.md

@@ -105,4 +105,19 @@ FROM
 WHERE o.id IS NULL;
 ```
 
+```python
+import pandas as pd
+
+
+def find_customers(customers: pd.DataFrame, orders: pd.DataFrame) -> pd.DataFrame:
+    # Select the customers whose 'id' is not present in the orders DataFrame's 'customerId' column.
+    df = customers[~customers["id"].isin(orders["customerId"])]
+
+    # Build a DataFrame that only contains the 'name' column and rename it as 'Customers'.
+    df = df[["name"]].rename(columns={"name": "Customers"})
+
+    return df
+
+```
+
 <!-- tabs:end -->

solution/0100-0199/0183.Customers Who Never Order/Solution.py

@@ -0,0 +1,11 @@
+import pandas as pd
+
+
+def find_customers(customers: pd.DataFrame, orders: pd.DataFrame) -> pd.DataFrame:
+    # Select the customers whose 'id' is not present in the orders DataFrame's 'customerId' column.
+    df = customers[~customers["id"].isin(orders["customerId"])]
+
+    # Build a DataFrame that only contains the 'name' column and rename it as 'Customers'.
+    df = df[["name"]].rename(columns={"name": "Customers"})
+
+    return df