diff --git a/problem1.py b/problem1.py
new file mode 100644
index 0000000..ea2d049
--- /dev/null
+++ b/problem1.py
@@ -0,0 +1,7 @@
+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_sal=df.groupby('departmentId')['salary'].transform('max')
+    df=df[df['salary'] == max_sal]
+    return df[['name_y', 'name_x', 'salary']].rename(columns={'name_y': 'Department', 'name_x': 'Employee'})
\ No newline at end of file
diff --git a/problem2.py b/problem2.py
new file mode 100644
index 0000000..6f60c0a
--- /dev/null
+++ b/problem2.py
@@ -0,0 +1,8 @@
+import pandas as pd
+
+def order_scores(scores: pd.DataFrame) -> pd.DataFrame:
+    scores=scores.sort_values('score',ascending=False)
+    scores['rank']=scores['score'].rank(method='dense',ascending=False)
+    return scores[['score','rank']]
+    
+    
\ No newline at end of file