RandomInteger

RandomInteger[{imin,imax}] gives a pseudorandom integer in the range {imin,imax}. 

RandomInteger[imax] gives a pseudorandom integer in the range {0,…,imax}. 

RandomInteger[] pseudorandomly gives 0 or 1. 

RandomInteger[range,n] gives a list of n pseudorandom integers. 

RandomInteger[range,{n1,n2,…}] gives an n1×n2×… array of pseudorandom integers. 

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