TY  - BOOK
AU  - Hellmann, Doug.
TI  - Python 3 standard library: By example 
SN  - 9789386873507
U1  - 005.1372  1
PY  - 2018///
CY  - New Delhi
PB  - Pearson Education
KW  - Data structure
KW  - Cyptography
KW  - The internet
ER  -