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>>> x=int(raw_input("please enter an integer:"))
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>>> if x<0:
...  print 'negative'
... elif x==0:
...  print 'zero'
... else:
...  print 'positive'
...
negative
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#!/bin/bash
#filename:ifsingle
echo "please enter the first string:"
read word1
echo "please enter the second string:"
read word2
echo "_______________"
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 then
 echo " the first string is equal to the second string"
fi
echo "the program has finished"
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  queue.Full
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