How can I sort the dataframe?

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Dataframe without using the .sort_values()

Please how can I sort this dataframe, such that for each year, the data is sorted in descending order. I tried using the .sort_values() I got this dataframe below and which is not what I want.

Dataframe when I use .sort_values()

A simple Dataframe that can be used to represent the given dataframe in the picture.

myDic = {'Custmers':['A1','A1','A1','B4','A7','B4'],'Month':['May','June','June','June','July','August'],'Type':['Bag','Bag','Food','Drink', 'Cow','Cup'],'Year':[2004,2004,2005,2004, 2005, 2004]}

df = pd.DataFrame(myDic)
df.groupby(['Year','Month']).count()

How do I sort this given dataframe such that the june row in 2004 comes before august?



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