Given a string S of lowercase aplhabets, check if it is isogram or not. An Isogram is a string in which no letter occurs more than once.
The first line of input contains an integer T denoting the number of test cases. T testcases follow. Each test case consist of one string in 'lowercase' only, in a separate line.
For each testcase, in a new line, Print 1 if string is Isogram else print 0.
This is a function problem. You only need to complete the function isIsogram() that takes string as parameter and returns either true or false.
1 <= T <= 100
1 <= |S| <= 103
Testcase 2: geeks is not an isogram as 'e' appears twice. Hence we print 0.
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