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Completed Pandas4 #44

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Completed Pandas4 #44

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9 changes: 9 additions & 0 deletions Nth Highest Salary
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Original file line number Diff line number Diff line change
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import pandas as pd

def nth_highest_salary(employee: pd.DataFrame, N: int) -> pd.DataFrame:

df = employee[['salary']].drop_duplicates()
if N > len(df) or N <= 0:
return pd.DataFrame({f'getNthHighestSalary({N})' : [None]})

return df.sort_values('salary', ascending = False).head(N).tail(1)[['salary']].rename(columns = {'salary': f'getNthHighestSalary({N})'})
9 changes: 9 additions & 0 deletions Second Highest Salary
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Original file line number Diff line number Diff line change
@@ -0,0 +1,9 @@
import pandas as pd

def second_highest_salary(employee: pd.DataFrame) -> pd.DataFrame:

df = employee[['salary']].drop_duplicates().sort_values(by = ['salary'], ascending=False)
if len(df) < 2:
return pd.DataFrame({'SecondHighestSalary': [None]})
else:
return df.head(2).tail(1)[['salary']].rename(columns = {'salary' : 'SecondHighestSalary'})