http://pandas.pydata.org/pandas-docs/stable/basics.html

df.columns
df.index
df.values
df.dtypes
df.describe(include=['object'])
df2 = df.rename(columns={'int_col' : 'some_other_name'})
df.rename(columns={'int_col' : 'some_other_name'}, inplace=True)
df.drop(1, axis=0, inplace=True)
del df['x'] # del column x inplace

...isin
iat
ix

df.reindex(index=['d', 'b', 'x'], comumns=['y', 'z'])

for col in df:  # non-necessary to write df.columns
    print col

for index, row in df.iterrows():
    print index, col

for t in df.itertuples():
    print t