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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def printSequences(x, formatString="%d"):
 """ Print a bunch of sequences stored in a 2D numpy array. """

  [seqLen, numElements] = x.shape
  for i in range(seqLen):
    s = ""
    for j in range(numElements):
      s += formatString % x[i][j]
    print s