I think you can use rename_axis (new in pandas 0.18.0) with to_excel:
Sample:
df = pd.DataFrame({('5', 'vk.com'): {'0120bc30e78ba5582617a9f3d6dfd8ca': 0, '00c651e018cbcc8fe7aa57492445c7a2': 23, '0025977ab2998580d4559af34cc66a4e': 152}, ('5', 'yandex.ru'): {'0120bc30e78ba5582617a9f3d6dfd8ca': 100, '00c651e018cbcc8fe7aa57492445c7a2': 213, '0025977ab2998580d4559af34cc66a4e': 465}, ('4', '10ruslake.ru'): {'0120bc30e78ba5582617a9f3d6dfd8ca': 0.0, '00c651e018cbcc8fe7aa57492445c7a2': 0.0, '0025977ab2998580d4559af34cc66a4e': 0.0}, ('4', '1c.ru'): {'0120bc30e78ba5582617a9f3d6dfd8ca': 0.0, '00c651e018cbcc8fe7aa57492445c7a2': 0.0, '0025977ab2998580d4559af34cc66a4e': 0.0}, ('6', 'youtube.com'): {'0120bc30e78ba5582617a9f3d6dfd8ca': 109, '00c651e018cbcc8fe7aa57492445c7a2': 354, '0025977ab2998580d4559af34cc66a4e': 45}, ('6', 'facebook.com'): {'0120bc30e78ba5582617a9f3d6dfd8ca': 0, '00c651e018cbcc8fe7aa57492445c7a2': 44, '0025977ab2998580d4559af34cc66a4e': 56}})
#remove column names and index name
df = df.rename_axis(None).rename_axis((None,None), axis=1)
writer = pd.ExcelWriter('test.xlsx')
for i, g in df.groupby(axis=1, level=0):
#print i
#remove top level 4,5,6
g.columns = g.columns.droplevel(0)
#reset index, change column name
g = g.reset_index().rename(columns={'index':'aaa'})
#print g
#sheet name is 'sheet_' + name of group (4,5,6)
g.to_excel(writer,'sheet_%s' % i)
writer.save()
Old version:
#remove column names and index name
df = df.rename_axis(None).rename_axis((None,None), axis=1)
print df
4 5 \
10ruslake.ru 1c.ru vk.com yandex.ru
0025977ab2998580d4559af34cc66a4e 0.0 0.0 152 465
00c651e018cbcc8fe7aa57492445c7a2 0.0 0.0 23 213
0120bc30e78ba5582617a9f3d6dfd8ca 0.0 0.0 0 100
6
youtube.com facebook.com
0025977ab2998580d4559af34cc66a4e 45 56
00c651e018cbcc8fe7aa57492445c7a2 354 44
0120bc30e78ba5582617a9f3d6dfd8ca 109 0
dfs = []
for i, g in df.groupby(axis=1, level=0):
#print i
#remove top level 4,5,6
g.columns = g.columns.droplevel(0)
#reset index, change column name
g = g.reset_index().rename(columns={'index':'aaa'})
#print g
dfs.append(g)
print dfs[0]
aaa 10ruslake.ru 1c.ru
0 0025977ab2998580d4559af34cc66a4e 0.0 0.0
1 00c651e018cbcc8fe7aa57492445c7a2 0.0 0.0
2 0120bc30e78ba5582617a9f3d6dfd8ca 0.0 0.0
writer = pd.ExcelWriter('test.xlsx')
for n, df in enumerate(dfs):
df.to_excel(writer,'sheet%s' % n)
writer.save()