Write out a function that prints out all the permutations of a string. For example, abc would give you abc, acb, bac, bca, cab, cba. You can assume that all the characters will be unique.
5 21026Can any one tell me how to write test data. i mean, to test each input, 2 test input(1 for +ve, & other for -ve) are given. so , for example, if i want to write test data for login form, how many test data should i write in test case?
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