item_10.py

#!/usr/bin/env python3

# Copyright 2014 Brett Slatkin, Pearson Education Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Preamble to mimick book environment
import logging
from pprint import pprint
from sys import stdout as STDOUT


# Example 1
from random import randint
random_bits = 0
for i in range(64):
    if randint(0, 1):
        random_bits |= 1 << i
print(bin(random_bits))


# Example 2
flavor_list = ['vanilla', 'chocolate', 'pecan', 'strawberry']
for flavor in flavor_list:
    print('%s is delicious' % flavor)


# Example 3
for i in range(len(flavor_list)):
    flavor = flavor_list[i]
    print('%d: %s' % (i + 1, flavor))


# Example 4
for i, flavor in enumerate(flavor_list):
    print('%d: %s' % (i + 1, flavor))


# Example 5
for i, flavor in enumerate(flavor_list, 1):
    print('%d: %s' % (i, flavor))