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# Return Brief Lengthy Brief in Python

## The problem#

Given 2 strings, `a` and `b`, return a string of the shape brief+lengthy+brief, with the shorter string on the surface and the longer string on the within. The strings is not going to be the identical size, however they might be empty ( size “ ).

For instance:

``````resolution("1", "22") # returns "1221"
resolution("22", "1") # returns "1221"
``````

## The answer in Python code#

Possibility 1:

``````def resolution(a, b):
if a.isdigit():
if a<b:
return f"{a}{b}{a}"
else:
return f"{b}{a}{b}"
else:
if len(a)<len(b):
return f"{a}{b}{a}"
else:
return f"{b}{a}{b}"
``````

Possibility 2:

``````def resolution(a, b):
return a+b+a if len(a)<len(b) else b+a+b
``````

Possibility 3:

``````def resolution(a, b):
return '{0}{1}{0}'.format(*sorted((a, b), key=len))
``````

## Check instances to validate our resolution#

``````import take a look at
from resolution import resolution

@take a look at.describe("Mounted Assessments")
def fixed_tests():
@take a look at.it('Primary Check Instances')
def basic_test_cases():
take a look at.assert_equals(resolution('45', '1'), '1451')
take a look at.assert_equals(resolution('13', '200'), '1320013')
take a look at.assert_equals(resolution('Quickly', 'Me'), 'MeSoonMe')
take a look at.assert_equals(resolution('U', 'False'), 'UFalseU')
``````
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