import pandas as pd
list_test = [[1,2,3],[4,5,6],[7,8,9]]
index_colums =['A','B','C']
index_row = ['a','b','c']
df = pd.DataFrame(list_test, columns=index_colums,index=index_row)
print(df)

df_T = pd.DataFrame(df.values.T,columns=index_row,index=index_colums)
print(df_T)

import pandas as pd
from pandas import DataFrame
import numpy as np

np.random.seed(0)
matrix = np.random.rand(3,4)
print(matrix)
df = DataFrame(matrix, index=list('abc'), columns=list('xyzk'))
df

df = df.stack()df

df = df.unstack(0)df