[python] assigning column names to a pandas series

I have a pandas series

object x
Ezh2   2
Hmgb   7
Irf1   1

I want to save this as a dataframe with column names Gene and Count respectively I tried

x_df = pd.DataFrame(x,columns = ['Gene','count'])

but it does not work.The final form I want is

Gene Count
Ezh2   2
Hmgb   7
Irf1   1

Can you suggest how to do this

If you have a pd.Series object x with index named 'Gene', you can use reset_index and supply the name argument:

df = x.reset_index(name='count')

Here's a demo:

x = pd.Series([2, 7, 1], index=['Ezh2', 'Hmgb', 'Irf1'])
x.index.name = 'Gene'

df = x.reset_index(name='count')

print(df)

   Gene  count
0  Ezh2      2
1  Hmgb      7
2  Irf1      1

You can also use the .to_frame() method.

If it is a Series, I assume 'Gene' is already the index, and will remain the index after converting it to a DataFrame. The name argument of .to_frame() will name the column.

x = x.to_frame('count')

If you want them both as columns, you can reset the index:

x = x.to_frame('count').reset_index()