python ファイルに文字列を書きこむ

file_name = “names.txt”

with open(file_name, mode=”w”) as f:
f.write(“Jiro\n”)

Javascriptアイコン

See the Pen Untitled by ちょすけ (@tyosuke) on CodePen.

Pythonをレンタルサーバーで使う方法を現役エンジニアが解説【初心者向け】 | TechAcademyマガジン

Pythonをレンタルサーバーで使う方法を現役エンジニアが解説【初心者向け】

import calendar

calendar.setfirstweekday(calendar.SUNDAY)

print(calendar.isleap(2000))
print(calendar.isleap(2001))

import datetime

day1 = datetime.datetime(year=2000, month=4, day=11)
day2 = datetime.datetime(year=2001, month=1, day=1)

delta = datetime.timedelta(days=3, hours=5)
day3 = day1 + delta
print(day3)

import datetime

birthday = datetime.datetime(year=2000, month=4, day=11)

birthday_formatted = birthday.strftime(“%B %d %A, %Y”)
print(birthday_formatted)

import datetime

birthday = datetime.datetime.strptime(“2000-04-11”, “%Y-%m-%d”)
print(birthday)

import math
from math import pi as PI

print(math.cos(math.radians(180)))

import math

print(0.1 * 3 == 0.3)
print(math.isclose(0.1 * 3, 0.3))

using namespace std;

int fibonacci(int n) {
if (n < 3) return 1;
return fibonacci(n – 1) + fibonacci(n – 2);
}

int main() {
for (int n = 1; n <= 10; ++n) {
cout << “f(” << n << “) = ” << fibonacci(n) << endl;
}
}