@psc_readme_4763_3.txt

用来测试输入的是数字还是字符串

Title: [ Integer Test ]
Description: Sometimes we need a way to test the user input to know if it is an integer, i have
 seen many algorythm for doing this,but a lot of them are incomplete since they only check
 to see if the input contain the numeric values from 0 to 9 if so it is said that the input 
 is a number.Here you will fine a more precise way to test the user input for knowing if it 
 is an integer.
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