擅长:python、mysql、java
<p>你可以这样做:</p>
<pre><code>from fractions import *
def returnElement(element):
if '/' in element and len(element) > 1:
fraction = element.split('/')
numerator = fraction[0]
denominator = fraction[1]
return 'Fraction(' + numerator + ',' + denominator + ')'
else:
return element
class main():
for i in range(0, 10):
print "\t\nWRITE YOUR OPERATION"
code = 'print('
s = raw_input()
elements = s.split()
for element in elements:
code = code + returnElement(element)
code = code + ')'
print code
exec code
</code></pre>