[Python] random, datetime 모듈

random

import random
random.random()

->
0.4330038659050862

import random

dice1 = random.randint(1,6) #임의의 정수가 생성됨
dice2 = random.randint(1,6)
print('주사위 두 개의 숫자:{0}, {1}'.format(dice1, dice2))

->
주사위 두 개의 숫자:5, 3

import random

num1 = random.randrange(1, 10, 2) # 1~9 중 임의의 홀수 선택
num2 = random.randrange(0, 100, 10) # 0~99
print('num1: {0}, num2: {1}'.format(num1, num2))

->
num1: 3, num2: 80

import random

menu = ['비빔밥', '된장찌개', '볶음밥', '불고기', '스파게티', '피자', '탕수육']
random.choice(menu)

->
'된장찌개'

import random
random.sample([1,2,3,4,5], 2) # 모집단에서 두 개의 인자 선택

->
[2, 1]

 

 

datetime

import datetime

set_day = datetime.date(2019, 3, 1)
print(set_day)

->
2019-03-01

import datetime

day1 = datetime.date(2019, 4, 1)
day2 = datetime.date(2019, 7, 10)
diff_day = day2 - day1
print(diff_day)

->
100 days, 0:00:00

import datetime

today = datetime.date.today()
special_day = datetime.date(2021, 4, 12)
print(special_day - today)

->
-106 days, 0:00:00

import datetime

set_time = datetime.time(15, 30, 45)
print(set_time)

->
15:30:45

import datetime

set_time = datetime.time(15, 30, 45)
print(set_time)

->
15:30:45

import datetime

set_dt = datetime.datetime(2018, 10, 9, 10, 20, 0)
print(set_dt)

->
2018-10-09 10:20:00

from datetime import date, time, datetime # datetime이라는 패키지 안에 있는 date, time, datetime 모듈

print(datetime.now())

->
2021-07-27 15:14:08.782388

 

calendar

import calendar

print(calendar.calendar(2021))

->
                                  2021

      January                   February                   March
Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su
             1  2  3       1  2  3  4  5  6  7       1  2  3  4  5  6  7
 4  5  6  7  8  9 10       8  9 10 11 12 13 14       8  9 10 11 12 13 14
11 12 13 14 15 16 17      15 16 17 18 19 20 21      15 16 17 18 19 20 21
18 19 20 21 22 23 24      22 23 24 25 26 27 28      22 23 24 25 26 27 28
25 26 27 28 29 30 31                                29 30 31

       April                      May                       June
Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su
          1  2  3  4                      1  2          1  2  3  4  5  6
 5  6  7  8  9 10 11       3  4  5  6  7  8  9       7  8  9 10 11 12 13
12 13 14 15 16 17 18      10 11 12 13 14 15 16      14 15 16 17 18 19 20
19 20 21 22 23 24 25      17 18 19 20 21 22 23      21 22 23 24 25 26 27
26 27 28 29 30            24 25 26 27 28 29 30      28 29 30
                          31

        July                     August                  September
Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su
          1  2  3  4                         1             1  2  3  4  5
 5  6  7  8  9 10 11       2  3  4  5  6  7  8       6  7  8  9 10 11 12
12 13 14 15 16 17 18       9 10 11 12 13 14 15      13 14 15 16 17 18 19
19 20 21 22 23 24 25      16 17 18 19 20 21 22      20 21 22 23 24 25 26
26 27 28 29 30 31         23 24 25 26 27 28 29      27 28 29 30
                          30 31

      October                   November                  December
Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su      Mo Tu We Th Fr Sa Su
             1  2  3       1  2  3  4  5  6  7             1  2  3  4  5
 4  5  6  7  8  9 10       8  9 10 11 12 13 14       6  7  8  9 10 11 12
11 12 13 14 15 16 17      15 16 17 18 19 20 21      13 14 15 16 17 18 19
18 19 20 21 22 23 24      22 23 24 25 26 27 28      20 21 22 23 24 25 26
25 26 27 28 29 30 31      29 30                     27 28 29 30 31