From 805f738a25919efca179dcf99bc94b46c5be9143 Mon Sep 17 00:00:00 2001
From: Radhika Tekade <tekade.radhika@gmail.com>
Date: Fri, 7 Mar 2025 09:25:07 -0800
Subject: [PATCH 1/2] Create 137_department_highest_salary

---
 137_department_highest_salary.py | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 137_department_highest_salary.py

diff --git a/137_department_highest_salary.py b/137_department_highest_salary.py
new file mode 100644
index 0000000..438de74
--- /dev/null
+++ b/137_department_highest_salary.py
@@ -0,0 +1,11 @@
+# Perform inner join on Employee and Department tables. Get the max salary and return only the rows that
+# have max salary.
+
+import pandas as pd
+
+def department_highest_salary(employee: pd.DataFrame, department: pd.DataFrame) -> pd.DataFrame:
+    df = employee.merge(department, left_on='departmentId', right_on='id', how='inner')
+    max_salary = df.groupby('departmentId')['salary'].transform('max')
+    df = df[df['salary'] == max_salary]
+    return (df[['name_y', 'name_x', 'salary']]
+            .rename(columns= {'name_y': 'Department', 'name_x': 'Employee', 'salary': 'Salary'}))
\ No newline at end of file

From 9536bb85ace2585b22eb06e62a6927d0a5add3ad Mon Sep 17 00:00:00 2001
From: Radhika Tekade <tekade.radhika@gmail.com>
Date: Fri, 7 Mar 2025 09:25:22 -0800
Subject: [PATCH 2/2] Create 138_rank_scores

---
 138_rank_scores.py | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 138_rank_scores.py

diff --git a/138_rank_scores.py b/138_rank_scores.py
new file mode 100644
index 0000000..d34749e
--- /dev/null
+++ b/138_rank_scores.py
@@ -0,0 +1,8 @@
+# Perform Dense Rank on the scores (descending order) and return two columns (scores and rank) in sorted
+# ascending order of rank.
+
+import pandas as pd
+
+def order_scores(scores: pd.DataFrame) -> pd.DataFrame:
+    scores['rank'] = scores['score'].rank(method='dense', ascending=False)
+    return scores[['score', 'rank']].sort_values(by=['rank'])
\ No newline at end of file