a = pd.DataFrame(a)

import pandas as pd
df = pd.DataFrame(df)

arr=df.values

import pandas as pd
data = {'name':['Zhang San','Li Si','Wang Wu'], 'salary':['5000','7000','10000']}
df = pd.DataFrame(data)
print(df)
print(df.values)
df1 = pd.DataFrame(df.values)
df1

df=df.values

import pandas as pd
 
df = pd.DataFrame(df)