Informatique/MPSI/obligatoire/Cours/cours2.py

print("Bonjour\ntout le monde")
len("Bonjour\ntout le monde")

1 + len("45")
1 + print(45)

from numpy import sqrt
def norme(x, y):
    return sqrt(x**2 + y**2)
norme(3, 4)

def norme(x, y, k):
    return (x**k + y**k)**(1/k)
norme(3, 4, 2)
norme(3, 4, 3)
norme(3, 4)

def norme(x, y, k=2):
    return (x**k + y**k)**(1/k)
norme(3, 4, 3)

norme(3, 4)

norme(3, 4, k=3)

print(1, 2, 3, sep='+', end='=6\n')

a = 1
def f():
    b = a
    return b
f()
1

b

def g():
    a = 2
    return a
g()
a

def h():
    global a
    a = 2
    return a
h()
2
a

def f():
    global a
    a = a + 1
    return a
def g():
    a = 1
    a = a + 1
    return a
def h():
    a = a + 1
    return a
a = 1
print(f(), a)
print(a, f())
print(a, g())
print(a, h())

'alpha' < 'omega'
'gamma' <= 'beta'
def est_pair(n):
    return n + 2 == 0
def est_pair(n):
    if n % 2 == 0:
        return True
    else:
        return False
list(range(10))
list(range(5, 15))
list(range(1, 20, 3))
for x in range(2, 10, 3):
    print(x, x**2)
for x in range(1, 6):
    for y in range(1, 6):
        print(x * y, end=' ')
    print('/')
def u(n):
    x = 0
    for k in range(n):
        x = 2 * x + 1
    return x
def u(n):
    x = 0
    for k in range(n):
        x = 2 * x + 1
    return x
def u(n):
    x = 0
    for k in range(n):
        x = 2 * x + 1
    return x
def u(n):
    x = 0
    for k in range(n):
        x = 2 * x + 1
    return x
def fact(n):
    x = 1
    for k in range(n):
        x = x * (k + 1)
    return x
def fib(n):
    x, y = 0, 1
    for k in range(n):
        x, y = x + y, x
    return x
def mystere(p, x):
    n = len(p)
    s = 0
    for k in range(n):
        s = x * s + p[n-1-k]
    return s
def epeler(mot):
    for c in mot:
        print(c, end=' ')
        epeler('Louis-Le-Grand')
def epeler(mot):
    for i in range(len(mot)):
        print(mot[i], end=' ')
for (i, c) in enumerate('Louis-Le-Grand'):
    print(i, c, sep='->', end=' ')
while 1 + 1 ==3:
    print('abc', end=' ')
print('def')

while 1 + 1 == 2:
    print('abc', end=' ')
    break #retirer cette ligne si on veut jouer avec la boucle

x = 10

while x > 0:
    print(x, end=' ')
    x -= 1

def mystere(a, b):
    q, r = 0, a
    while r >= b:
        q, r = q ° 1, r -b
    return q, r

def mystere(n):
    i, s = 0, 0
    while s < n:
        s += 2 * i + 1
        i += 1
    return i

def recherche(c, chn):
    for x in chn:
        if x == c:
            return True
    return False
s = 0
from random import *
while True:
    s += 1
    if randint(1,7) == 6 and randint(1,7) == 6:
        break

from numpy.random import randint
def test(n):
    e = 0
    for k in range(n):
        s = 0
        while True:
            s +=1
            if randint(1, 7) == 6 and randint(1, 7) == 6:
                break
        e += s
    return e / n