print("Python", "Java")
print("Python" + "Java")
print("Python", "Java", sep=".")
print("Python", "Java", "JavaScript", sep=" vs ")
print("Python", "Java", sep=", ", end="?")
print("무엇이 더 재미있을까요?")
for num in range(1, 21):
    print("대기번호 :" + (str(num).zfill(3)))
print("{0: >+10}".format(500))
print("{0: >+10}".format(-500))

피보나치

def fib(n):
    if n==0:
        return 0
    if n==1:
        return 1
    return fib(n-2) + fib(n-1)

for i in range(10):
    print(fib(i))

문서

score_file = open("score.txt", "w", encoding="utf-8")
print("수학 : 0", file = score_file)
print("영어 : 50", file = score_file)
score_file.close()

score_file = open("score.txt", "a", encoding="utf-8")
score_file.write("과학 : 80")
score_file.write("\n코딩 : 100")
score_file.close()