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๐Ÿ“‚Language/Python

[Python] ์ž…๋ ฅ ์ฒ˜๋ฆฌ ์ •๋ฆฌ | input | readline | ๊ณ„์† ์ž…๋ ฅ ๋ฐ›๊ธฐ | ๋ฆฌ์ŠคํŠธ๋กœ ์ž…๋ ฅ๋ฐ›๊ธฐ

2023. 2. 5. 16:41

Python์„ ์ฒ˜์Œ์— ์‚ฌ์šฉํ•  ๋•Œ ํ˜น์€ ๋ฐฑ์ค€์„ ํ’€๊ธฐ ์œ„ํ•ด์„œ

์ž…๋ ฅ๊ฐ’์„ ๋ฐ›์•„์•ผ ํ•  ๋•Œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค

 

์˜ค๋Š˜์€ ์ž…๋ ฅ์„ ๋ฐ›๊ธฐ ์œ„ํ•œ ์—ฌ๋Ÿฌ๊ฐ€์ง€ ๋ฐฉ๋ฒ•๊ณผ

์ดํ›„ ์ฒ˜๋ฆฌ ๋ฐฉ๋ฒ•๋“ค์„

์ •๋ฆฌํ•ด๋ณด๋„๋กํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค

 

 

~๋ชฉ์ฐจ~

1. input()

2. readline()

3. ๊ณ„์† ์ž…๋ ฅ ๋ฐ›๊ธฐ

    3-1) for + stdin
    3-2) while + try + readline

4. ์—ฌ๋Ÿฌ๊ฐ’์ด ํ•œ ์ค„์— ์žˆ์„ ๋•Œ

   : ๋ฆฌ์ŠคํŠธ๋กœ ์ž…๋ ฅ๋ฐ›๊ธฐ

 

 

 


 

1. input()

Python์—์„œ ์ž…๋ ฅ๊ฐ’์„ ๋ฐ›์„ ์ˆ˜ ์žˆ๋Š” ๊ฐ€์žฅ ๊ฐ„๋‹จํ•œ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค.

๋”ฐ๋กœ ์ถ”๊ฐ€ํ•  ๋ชจ๋“ˆ ์—†์ด ๋ฐ”๋กœ ์ž…๋ ฅ์„ ๋ฐ›์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค!

 

๊ฐ„๋‹จํ•œ ์ฝ”๋“œ๋ฅผ ๊ฐ™์ด ๋ด…์‹œ๋‹ค.

number = input()
print("์ˆซ์ž %s๋ฅผ ์ž…๋ ฅํ•˜์…จ์Šต๋‹ˆ๋‹ค!" % number)

#24
#์ˆซ์ž 24๋ฅผ ์ž…๋ ฅํ•˜์…จ์Šต๋‹ˆ๋‹ค!

์—ฌ๊ธฐ์„œ ์ฃผ์˜ ํ•  ์ ์€ input์œผ๋กœ ์ž…๋ ฅ๋ฐ›์€ ๊ฐ’์€ str ํƒ€์ž…์ž…๋‹ˆ๋‹ค!

(print๋ฌธ์— '%d' ๋ณ€ํ™˜๋ฌธ์ž๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ์˜ค๋ฅ˜ ๋ฐœ์ƒ)

 

๋ณ€์ˆ˜๋ฅผ ์ถœ๋ ฅํ•˜๋Š” ๋ฐฉ๋ฒ•์€ ์ฒจ๋ถ€ํ•œ ๊ธ€์„ ์ฐธ๊ณ ํ•˜์‹œ๊ธฐ ๋ฐ”๋ž๋‹ˆ๋‹ค

 

 

๋˜ํ•œ input์—๋Š” ์ž…๋ ฅ ๋ฐ›๊ธฐ ์ „ ๋ฌธ์ž์—ด์„ ์ถœ๋ ฅํ•  ์ˆ˜ ์žˆ๋Š” ๊ธฐ๋Šฅ์ด ์žˆ์Šต๋‹ˆ๋‹ค

age = input("๋‚˜์ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š” : ")
print("10๋…„๋’ค์— %d์‚ด์ด ๋˜์‹œ๋Š” ๊ตฐ์š”!" % (int(age) + 10))

#๋‚˜์ด๋ฅผ ์ž…๋ ฅํ•ด์ฃผ์„ธ์š” : 24
#10๋…„๋’ค์— 34์‚ด์ด ๋˜์‹œ๋Š” ๊ตฐ์š”!

input์˜ ๊ด„ํ˜ธ์•ˆ์— ๋ฌธ์ž์—ด์„ ์ž…๋ ฅํ•ด์ฃผ๋ฉด ๋ฉ๋‹ˆ๋‹ค!

์ž…๋ ฅ ๋ฐ›์€ ๊ฐ’์€ str์ด๋ฏ€๋กœ intํ˜•์œผ๋กœ ๋ณ€ํ™˜ํ•˜์—ฌ ๊ณ„์‚ฐํ•˜๊ณ  ์ถœ๋ ฅํ•ด์ค„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค

 

 

 

2. readline()

input๊ณผ ๋น„๊ตํ•˜์—ฌ ๋น ๋ฅธ ์†๋„๋ฅผ ์ž๋ž‘ํ•˜๋Š” readline์ž…๋‹ˆ๋‹ค!

๋ฐฑ์ค€์„ ํ’€๋‹ค๋ณด๋ฉด ์‹œ๊ฐ„์ดˆ๊ณผ๋ฅผ ๋งŒ๋‚  ๋•Œ๊ฐ€ ๋งŽ์Šต๋‹ˆ๋‹ค.

์ด๋ฅผ ๋ฐฉ์ง€ํ•˜๊ธฐ ์œ„ํ•ด์„œ, ๋งŽ์€ ์ž…๋ ฅ์„ ๋ฐ›์„ ์ผ์ด ์žˆ๋‹ค๋ฉด readline์‚ฌ์šฉ์„ ๊ถŒ์žฅ๋“œ๋ฆฝ๋‹ˆ๋‹ค

 

๊ธฐ๋ณธ์ ์œผ๋กœ readline์„ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” sys๋ชจ๋“ˆ์„ importํ•ด์ฃผ์–ด์•ผํ•ฉ๋‹ˆ๋‹ค

import sys
input = sys.stdin.readline

name = input()
print("Hello, ",  name)

#kim sinyoung
#Hello,  kim sinyoung

์œ„ ์ฝ”๋“œ์ฒ˜๋Ÿผ input์— readline์„ ๋ฎ์–ด์”Œ์›Œ์„œ ํ‰์†Œ์ฒ˜๋Ÿผ input์„ ์‚ฌ์šฉํ•˜์ง€๋งŒ ์†๋„๋Š” ํ›จ์”ฌ ํ–ฅ์ƒ ๋˜์—ˆ์Šต๋‹ˆ๋‹ค!

 

์ฃผ์˜ ํ•  ์ ์€ '\n', ์ฆ‰ ๊ฐœํ–‰๋ฌธ์ž๊นŒ์ง€ ํฌํ•จํ•˜์—ฌ ์ž…๋ ฅ๋ฐ›์Šต๋‹ˆ๋‹ค

import sys
input = sys.stdin.readline

name = input()
age = input()
print("Hello, ",  name, "your are ", age, "years old")

#ksy
#24
#Hello,  ksy
# your are  24
# years old

Hello, ksy your are 24 years old

ํ•ด๋‹น ๊ฒฐ๊ณผ๊ฐ’์„ ๊ธฐ๋Œ€ํ–ˆ๋Š”๋ฐ ๋œป๋Œ€๋กœ ์ถœ๋ ฅ ๋˜์ง€ ์•Š์€ ๊ฒƒ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

 

ํ•˜์ง€๋งŒ ๋ฌธ์ž์—ด์€ ์ธ์ž๋กœ ๋„˜๊ฒจ์ค„ ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค..ใ… 

์ž…๋ ฅ ์ „ ๋ฌธ์ž์—ด์„ ์ถœ๋ ฅํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด print๋ฌธ์„ ์จ์•ผ๊ฒ ์ฃ ?!

 

 

3. ๊ณ„์† ์ž…๋ ฅ ๋ฐ›๊ธฐ

3-1) ์ž…๋ ฅ์˜ ๋์„ ์•Œ ์ˆ˜ ์—†์„ ๋•Œ

3-2) ๊ณ„์† ์ž…๋ ฅ ๋ฐ›๊ณ ์‹ถ์„ ๋•Œ

 

3-1) For + stdin

import sys

for line in sys.stdin:
	print(line)

for๋ฌธ ์•ˆ์— ์กฐ๊ฑด๋ฌธ์„ ์ž‘์„ฑํ•˜์—ฌ ๋ฐ˜๋ณต์„ ์ข…๋ฃŒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

 

3-2) while + try + readline

import sys
input = sys.stdin.readline

while True:
	try:
    	number = input()
        print(number)
    except EOFError:
    	break

 

while๋ฌธ์„ ํ†ตํ•ด ๋ฌดํ•œ ๋ฐ˜๋ณตํ•˜์ง€๋งŒ EOF๋ฅผ ๋งŒ๋‚˜๋ฉด except์— ๊ฑธ๋ฆฌ๊ฒŒ ๋˜๋ฉด์„œ ๋ฐ˜๋ณต๋ฌธ์„ ๋‚˜์˜ฌ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

 

 

4. ์—ฌ๋Ÿฌ๊ฐ’์ด ํ•œ ์ค„์— ์žˆ์„ ๋•Œ

: ๋ฆฌ์ŠคํŠธ๋กœ ์ž…๋ ฅ๋ฐ›๊ธฐ

ํ•œ ์ค„์— ์—ฌ๋Ÿฌ ๊ฐ’์ด ์กด์žฌํ•˜๊ณ  ์ด๋ฅผ ๋ณ€์ˆ˜ ๋˜๋Š” ๋ฆฌ์ŠคํŠธ์— ์ €์žฅํ•˜๊ณ  ์‹ถ์œผ์‹œ๊ตฐ์š”!

 

์—ฌ๋Ÿฌ๊ฐ’ ๋ณ€์ˆ˜์— ์ž…๋ ฅ๋ฐ›๊ธฐ

import sys
input = sys.stdin.readline

N, M = input().split()

print(int(N) + 3, int(M) - 1)

#2 6
#5 5

split ํ•จ์ˆ˜๋ฅผ ์ด์šฉํ•ด์„œ ๊ฐ ๋ณ€์ˆ˜์— ์ž…๋ ฅ ๋ฐ›์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค

 

input์€ ํ•ญ์ƒ strํƒ€์ž…์ด๊ธฐ ๋•Œ๋ฌธ์— int๋ฅผ ๋ถ™์—ฌ์„œ ๊ฐ’์„ ์กฐ์ •ํ•ด์•ผ๋œ๋‹ค๋Š” ๋ถˆํŽธ์ด ์žˆ์Šต๋‹ˆ๋‹ค.

๊ฐ’์„ ๋ฐ›์„ ๋•Œ ์›ํ•˜๋Š” ๋ฐ์ดํ„ฐ ํƒ€์ž…์œผ๋กœ ๋ฐ›์„ ์ˆ˜ ์žˆ๋Š” map ํ•จ์ˆ˜๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค!

import sys
input = sys.stdin.readline

N, M = map(int, input().split())

print(N + M)

#2 3
#5

 

 

์—ฌ๋Ÿฌ๊ฐ’ ๋ฆฌ์ŠคํŠธ์— ์ž…๋ ฅ๋ฐ›๊ธฐ

๋ณ€์ˆ˜๊ฐ€ ์•„๋‹Œ ๋ฆฌ์ŠคํŠธ๋กœ ์ €์žฅํ•˜๊ณ  ์‹ถ๋‹ค๋ฉด!

map ํ•จ์ˆ˜๋ฅผ list ํ•จ์ˆ˜๋กœ ๊ฐ์‹ธ์ฃผ๋ฉด ๋ฉ๋‹ˆ๋‹ค

import sys
input = sys.stdin.readline

alist = list(map(int, input().split()))

print(alist)

#1 2 3 4 5
#[1, 2, 3, 4, 5]

 

๋งŒ์•ฝ ์—ฌ๋Ÿฌ ์ค„์„ ํ•œ๊บผ๋ฒˆ์— ๋ฆฌ์ŠคํŠธ๋กœ ๋„ฃ๊ณ ์‹ถ๋‹ค๋ฉด!

import sys
input = sys.stdin.readline

n = int(input())
alist = []
for _ in range(n):
	alist.append(list(map(int, input().split())))
    
print(alist)

#3
#1 2 3 4
#5 6 7 8
#9 0
#[[1, 2, 3, 4], [5, 6, 7, 8], [9, 0]]

 

 

'๐Ÿ“‚Language > Python' ์นดํ…Œ๊ณ ๋ฆฌ์˜ ๋‹ค๋ฅธ ๊ธ€

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