fork(1) download
copy 
  1. # more_about_dictionaries.py
  2. # MIT OCW 6.189 Homework 3
  3. # http://o...content-available-to-author-only...t.edu/courses/electrical-engineering-and-computer-science/6-189-a-gentle-introduction-to-programming-using-python-january-iap-2011/assignments/MIT6_189IAP11_hw3.pdf
  4. # Written for Python 3.x
  5. # Mechanical MOOC
  6. # Glenn Richard
  7. # July 20, 2013
  8. # Exercise 3.4 - More About Dictionaries
  9. NAMES = ['Alice', 'Bob', 'Cathy', 'Dan', 'Ed', 'Frank',
  10. 'Gary', 'Helen', 'Irene', 'Jack', 'Kelly', 'Larry']
  11. AGES = [20, 21, 18, 18, 19, 20, 20, 19, 19, 19, 22, 19]
  12.  
  13. def combine_lists(names_list, ages_list):
  14.     return {k: v for k, v in zip(names_list, ages_list)}
  15.  
  16. def people(age):
  17.     return [name for name in people_dict.keys() if people_dict[name] == age]
  18.  
  19. people_dict = combine_lists(NAMES, AGES)
  20.  
  21. print('Dan' in people(18) and 'Cathy' in people(18))
  22. print('Ed' in people(19) and 'Helen' in people(19) and 'Irene' in people(19) and 'Jack' in people(19) and 'Larry'in people(19))
  23. print('Alice' in people(20) and 'Frank' in people(20) and 'Gary' in people(20))
  24. print(people(21) == ['Bob'])
  25. print(people(22) == ['Kelly'])
  26. print(people(23) == [])
  27.  
Success #stdin #stdout 0.15s 10248KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
True
True
True
True
True
True
https://ideone.com/XIjxht
MIT OCW 6.189 Homework 3 - Exercise 3.4 – More About Dictionaries
language:
Python 3 (python  3.9.5)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!