generated from mwc/lab_weather
4eb17103c6
I used some code from older functions to help me write the newer program. All these systems involve using named arguments to run certain actions.
106 lines
2.9 KiB
Python
106 lines
2.9 KiB
Python
# friend_functions.py
|
|
# ------------
|
|
# By MWC Contributors
|
|
#
|
|
# Each of the functions below expects a list of dictionaries as its first
|
|
# argument. Two examples of the expected input are provided in people.family
|
|
# and people.friends.
|
|
|
|
# Your job is to complete these functions. Remove the NotImplementedError from
|
|
# each and instead write code which returns the expected values.
|
|
|
|
def count_people(people):
|
|
"""Counts the number of people.
|
|
|
|
>>> count_people(family)
|
|
5
|
|
>>> count_people(friends)
|
|
10
|
|
"""
|
|
return len(people)
|
|
|
|
def get_email(people, name):
|
|
"""Returns the named person's email address. If there is no such person, returns None.
|
|
|
|
>>> get_email(family, "Tad Winters")
|
|
"ligula.aenean@hotmail.edu"
|
|
>>> get_email(friends, "Tad Winters")
|
|
None
|
|
"""
|
|
for person in people:
|
|
if person["name"] == name:
|
|
return person["email"]
|
|
return None
|
|
|
|
def count_favorite_colors(people, name):
|
|
"""Returns the number of colors liked by the named person. If there is no such person, returns None.
|
|
|
|
>>> count_favorite_colors(family, "Tad Winters")
|
|
2
|
|
>>> count_favorite_colors(family, "Raphael Chambers")
|
|
1
|
|
"""
|
|
for person in people:
|
|
if person["name"] == name:
|
|
return len(person["favorite_colors"])
|
|
return None
|
|
|
|
def people_who_like_color(people, color):
|
|
"""Returns a list containing only those people who like the given color.
|
|
>>> people_who_like_color(family, "yellow")
|
|
[
|
|
{
|
|
"name": "Walker Hurley",
|
|
"email": "auctor.odio@icloud.ca",
|
|
"favorite_colors": ["red", "yellow", "blue", "orange"],
|
|
},
|
|
{
|
|
"name": "Clementine Joseph",
|
|
"email": "hendrerit@aol.co.uk",
|
|
"favorite_colors": ["yellow", "aqua", "black"],
|
|
}
|
|
]
|
|
>>> people_who_like_color(family, "indigo")
|
|
[]
|
|
"""
|
|
for person in people:
|
|
if person["favorite_colors"] == color:
|
|
return people
|
|
return None
|
|
|
|
def count_people_who_like_color(people, color):
|
|
"""Returns the number of people who like a given color.
|
|
|
|
>>> count_people_who_like_color(family, "red")
|
|
2
|
|
>>> count_people_who_like_color(family, "orange")
|
|
1
|
|
"""
|
|
for person in people:
|
|
if person["favorite_colors"] == color:
|
|
return len(people)
|
|
|
|
def get_color_dict(people):
|
|
"""Returns a dict showing how many people like each color.
|
|
Any color liked by any of the people will be included, and only colors
|
|
liked by someone will be included. The order of items in the dict doesn't matter.
|
|
|
|
>>> get_color_dict(family)
|
|
{
|
|
"aqua": 2,
|
|
"red": 2,
|
|
"blue": 2,
|
|
"black": 2,
|
|
"white": 1,
|
|
"grey": 1,
|
|
"yellow": 2,
|
|
"orange": 1,
|
|
}
|
|
"""
|
|
raise NotImplementedError()
|
|
|
|
|
|
|
|
|
|
|