please recheck your testsuite.ps:may I suggest you finish some problems by yourself before you create one.because this kinda problem had been repeated like hundreds times.we really tired of seeing this.
I fixed the problem in the test suite.
Make one big string out of two smaller strings
Change the sign of even index entries of the reversed vector
05 - Vector Equations 2
Convert yards to feet
Square a Number
Create a Standard Size Vector
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