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#!/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

for i in range(3):

print('Loop %d' % i)

else:

print('Else block!')

# Example 2

for i in range(3):

print('Loop %d' % i)

if i == 1:

break

else:

print('Else block!')

# Example 3

for x in []:

print('Never runs')

else:

print('For Else block!')

# Example 4

while False:

print('Never runs')

else:

print('While Else block!')

# Example 5

a = 4

b = 9

for i in range(2, min(a, b) + 1):

print('Testing', i)

if a % i == 0 and b % i == 0:

print('Not coprime')

break

else:

print('Coprime')

# Example 6

def coprime(a, b):

for i in range(2, min(a, b) + 1):

if a % i == 0 and b % i == 0:

return False

return True

print(coprime(4, 9))

print(coprime(3, 6))

# Example 7

def coprime2(a, b):

is_coprime = True

for i in range(2, min(a, b) + 1):

if a % i == 0 and b % i == 0:

is_coprime = False

break

return is_coprime

print(coprime2(4, 9))

print(coprime2(3, 6))