sample1.py

"""
Retrieve user data from https://jsonplaceholder.typicode.com/users
Find users matching usernames given on command line, and print their
full name and email address.
"""
try:
    from urllib.request import urlopen
except:
    from urllib2 import urlopen
import sys
from pprint import pprint

url = "https://jsonplaceholder.typicode.com/users"
search_key = "username"

class User:
    name = ""
    email = ""

    def __init__(self, user_name, user_email):
        self.name = user_name
        self.email = user_email

    def __str__(self):
        return "{0} <{1}>".format(self.name, self.email)

class UserList:
    def __init__(self, users=[]):
        self.users = users

    def append(self, user):
        self.users.append(user)

    def __str__(self):
        return "\n".join(str(u) for u in self.users)

def find_users(query):
    found = UserList()
    for entry in users:
        if query in entry[search_key]:
            user = User(entry["name"], entry["email"])
            found.append(user)
    return found


response = urlopen(url)
data = response.read()
users = eval(data)

for query in sys.argv[1:]:
    print("Search results for {0}:".format(query))
    found = find_users(query)
    print(found)
    print("")