from pickle import TRUE
import pandas as pd

items = pd.read_csv('items.csv',sep=',')

singup = pd.read_csv('signup.csv',sep=',')

df = pd.merge(items,singup,on='item_id',how='left')

sub_df  = df[(df['department'] == 'functional') & (df['item_name'] == 'javelin')]

print(sub_df[['employee_id','name','sex']].reset_index(drop=True))