Python Basic

[40]:

from pandas import Series

Series(['4', '3', '2', '1'])

[40]:

0    4
1    3
2    2
3    1
dtype: object

[43]:

from pandas import DataFrame

df = DataFrame(data=[[1, 2, 3], [4, 5, 6]], columns=['a', 'b', 'c'], index=['X', 'Y'])
df[['a', 'b']]

[43]:

	a	b
X	1	2
Y	4	5

[45]:

# list comprehension

[i**2 for i in range(10)]

[45]:

[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]

[47]:

string = 'aaa' if 0>1 else 'bbb'
string

[47]:

'bbb'

[49]:

['Bought']*5

[49]:

['Bought', 'Bought', 'Bought', 'Bought', 'Bought']