import sys
from numpy.random import uniform,normal
from random import choice

if len(sys.argv) < 3:
  print("USAGE: " + sys.argv[0] + " uniform [low]  [high]    [num]")
  print("       " + sys.argv[0] + " normal  [mean] [std dev] [num]")
  print("       " + sys.argv[0] + " permute [file]")
  exit(0)

if sys.argv[1] == "uniform":
  if len(sys.argv) != 5:
    print("USAGE: " + sys.argv[0] + " uniform [low] [high] [num]")
    exit(0)
  arr = uniform(int(sys.argv[2]),int(sys.argv[3]),int(sys.argv[4]))
elif sys.argv[1] == "normal":
  if len(sys.argv) != 5:
    print("USAGE: " + sys.argv[0] + " normal [mean] [std dev] [num]")
    exit(0)
  arr = normal(int(sys.argv[2]),int(sys.argv[3]),int(sys.argv[4]))
elif sys.argv[1] == "permute":
  if len(sys.argv) != 3:
    print("USAGE: " + sys.argv[0] + " permute [file]")
    exit(0)
  arr = [i for i in open(sys.argv[2]).readlines()]
  arr.pop() # removes the exit character
  loop = len(arr)
  for i in range(loop):
    num = choice(arr[0:loop-i])
    arr.append(num)
    arr.remove(num) # removes first occurrence of num
else:
  print("Invalid distribution.")
  exit(0)

for i in range(len(arr)):
  print(int(arr[i]))
print("X");