diff --git a/Second highest salary.py b/Second highest salary.py
new file mode 100644
index 0000000..399102a
--- /dev/null
+++ b/Second highest salary.py	
@@ -0,0 +1,9 @@
+import pandas as pd
+
+def second_highest_salary(employee: pd.DataFrame) -> pd.DataFrame:
+    df=employee['salary'].unique()
+    df=pd.DataFrame(df,columns=['salary']).sort_values(by=['salary'], ascending=False)
+    if len(df)<2 or len(df)==0:
+        return pd.DataFrame({f'SecondHighestSalary':[None]})
+    return df.head(2).tail(1)[['salary']].rename(columns={'salary':'SecondHighestSalary'})
+    
\ No newline at end of file
diff --git a/nth highest salary.py b/nth highest salary.py
new file mode 100644
index 0000000..62ed27c
--- /dev/null
+++ b/nth highest salary.py	
@@ -0,0 +1,9 @@
+import pandas as pd
+
+def nth_highest_salary(employee: pd.DataFrame, N: int) -> pd.DataFrame:
+    df= employee['salary'].unique()
+    df= pd.DataFrame(df,columns=['salary']).sort_values(by=['salary'],ascending=False)
+    if N>len(df) or N <=0:
+        return pd.DataFrame({f'getNthHighestSalary({N})' : [None]})
+    return df.head(N).tail(1)[['salary']].rename(columns={'salary':f'getNthHighestSalary({N})'})
+   
\ No newline at end of file