实例介绍Python2随机数列生成器

#filename:randNumber.py
import random
while True:
  try:
    row=int(raw_input('Enter the rows:'))
    cols=int(raw_input('then Enter the cols:'))
    minNum=int(raw_input('then Enter the minNumber:'))
    maxNum=int(raw_input('then Enter the maxNumber:'))
    r=0
    while r<row:
      line=&#39;&#39;
      c=0
      while c<cols:
        s=random.randint(minNum,maxNum)
        line+=str(s)
        line+=&#39;  &#39;
        c+=1
      r+=1
      print(line)
  except ValueError as err:
    print err