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import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sn


    

In [5]:

    

df = pd.read_csv("database.csv")
df = df[df.Weapon != "Unknown"]
top_weapons = df.Weapon.value_counts().index.tolist()
three_weapons = top_weapons[:3]
print(three_weapons)


    

    




/usr/lib/python3.5/site-packages/IPython/core/interactiveshell.py:2683: DtypeWarning: Columns (16) have mixed types. Specify dtype option on import or set low_memory=False.
  interactivity=interactivity, compiler=compiler, result=result)






    




['Handgun', 'Knife', 'Blunt Object']

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