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random_operator.py

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# _*_ coding:utf-8 _*_

import random

import string

def generate_random_num_str(length):

return ''.join(random.choice(string.letters) for i in range(length))

def get_random_int():

# n -> [0, 10]

n = random.randint(0, 10)

print n

print random.randint(180, 200)

def rand_range():

print random.randrange(1, 100)

# like 23

print random.randrange(0, 100, 10)

# 20

print random.randrange(0, 100, 10)

# 90

def random_seed():

sd = 3

random.seed(sd)

print "Random number with seed 10 : ", random.random()

# It will generate same random number(do random.seed(sd) every time before)

random.seed(sd)

print "Random number with seed 10 : ", random.random()

# It will generate same random number

random.seed(sd)

print "Random number with seed 10 : ", random.random()

if __name__ == '__main__':

# random_seed()

# rand_range()

# get_random_int()

# print random.choice(string.letters)

# f

# print generate_random_num_str(5)

# bjSQU

# print string.letters

# abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ

import time

t = int(time.time())

print random.randint(1000000, 100000000)

print random.choice([1, 3, 5, 7])

pass