File: ecrit_2010.tex, line 46
l = []
for i in range (0, 4) :
c = []
for j in range (0, i) : c += [ j ] # ou c.append (j)
l += [ c ] # ou l.append (c)
for c in l : print c
File: ecrit_2010.tex, line 58
l = [1,4,1,5,9]
d = { }
for u in l :
if u in d : d [u] += 1
else : d [u] = 1
print d
File: ecrit_2010.tex, line 76
[] [0] [0, 1] [0, 1, 2]
File: ecrit_2010.tex, line 85
{1: 2, 4: 1, 5: 1, 9: 1}
File: ecrit_2010.tex, line 109
n = 10 l = [i for i in (0,n)] l[9]
File: ecrit_2010.tex, line 117
File "ecrit.py", line 3, in <module>
l[9]
IndexError: list index out of range
File: ecrit_2010.tex, line 129
d = {'un': 1, 'deux': 4}
print deux
File: ecrit_2010.tex, line 137
File "ecrit.py", line 2, in <module>
print deux
NameError: name 'deux' is not defined
File: ecrit_2010.tex, line 149
l = [ "mot", "second" ] print l(0)
File: ecrit_2010.tex, line 157
File "ecrit.py", line 2, in <module>
print l(0)
TypeError: 'list' object is not callable
File: ecrit_2010.tex, line 171
l = [4, 2, 1, 3] ll = l.sort() print ll[0]
File: ecrit_2010.tex, line 179
File "ecrit.py", line 2, in <module> print ll[0] TypeError: 'NoneType' object is unsubscriptable
File: ecrit_2010.tex, line 194
n = 10 l = [i for i in (0,n)] print l # affiche [0, 10]
File: ecrit_2010.tex, line 200
l = [i for i in range (0,n)]
File: ecrit_2010.tex, line 210
l = [4, 2, 1, 3] ll = list (l) ll.sort() print ll[0]
File: ecrit_2010.tex, line 219
l = [4, 2, 1, 3] print min(l)
File: ecrit_2010.tex, line 240
i = random.randint (0,n) # tire aléatoirement un nombre entier entre 0 et n inclus l.sort () # trie la liste l quel que soit son contenu
File: ecrit_2010.tex, line 248
l = [4,5,3,7,4] l.sort () print l # affiche [3, 4, 4, 5, 7]
File: ecrit_2010.tex, line 256
l = [ (1,2), (0,10), (4,3), (5,0), (0,9) ] l.sort () print l # affiche [(0, 9), (0, 10), (1, 2), (4, 3), (5, 0)]
File: ecrit_2010.tex, line 264
def permutation_aleatoire (l) :
....
return ...
print permutation_aleatoire ([1,2,3,4]) # affiche [3,1,4,2]
File: ecrit_2010.tex, line 281
tab = ["zéro", "un", "deux"] # tableau à trier
pos = [ (tab [i],i) for i in range (0, len (tab)) ] # tableau de couples
pos.sort () # tri
print pos # affiche [('deux', 2), ('un', 1), ('zéro', 0)]
File: ecrit_2010.tex, line 290
from random import randint
def permutation (liste) :
alea = [ randint (0,len (liste)) for i in liste ]
couple = [ (r,l) for r,l in zip (alea,liste) ]
couple.sort ()
permutation = [ l[1] for l in couple ]
return permutation
liste = [ i*2 for i in range (0,10) ]
permu = permutation (liste)
print liste # affiche [0, 2, 4, 6, 8, 10, 12, 14, 16, 18]
print permu # affiche [2, 6, 16, 10, 8, 14, 0, 12, 18, 4]
File: ecrit_2010.tex, line 308
from random import randint
import copy
def permutation (liste) :
li = copy.copy (liste)
for i in xrange (0, len (liste)) :
n = randint (0, len (liste)-1)
m = randint (0, len (liste)-1)
s = li [n]
li [n] = li [m]
li [m] = s
return li
File: ecrit_2010.tex, line 325
from random import randint
import copy
def permutation (liste) :
li = copy.copy (liste)
for i in xrange (0, len (liste)) :
n = i
m = randint (0, len (liste)-1)
s = li [n]
li [n] = li [m]
li [m] = s
return li
File: ecrit_2010.tex, line 342
from random import randint
import copy
def permutation (liste) :
li = [ ]
n = len (liste)
for i in xrange (0, n) :
m = randint (0, len (liste)-1)
li.append (liste [m])
del liste [m] # on supprime l'élément tiré au hasard
return li
File: ecrit_2010.tex, line 358
from random import randint
import copy
def permutation (liste) :
li = [ ]
n = len (liste)
for i in xrange (0, n) :
m = randint (0, len (liste)-1)
if liste [m] not in li :
li.append (liste [m])
return li
File: ecrit_2010.tex, line 391
def nom_csp (csp) : # csp est un entier compris entre 1 et 4
if csp == 1 : return "cat. A"
elif csp == 2 : return "cat. B"
elif csp == 3 : return "cat. C"
else : return "cat. D"
File: ecrit_2010.tex, line 405
def nom_csp (csp) : # csp est un entier compris entre 1 et 4
if csp <= 2 :
if csp == 1 : return "cat. A"
else : return "cat. B"
else :
if csp == 3 : return "cat. C"
else : return "cat. D"
File: ecrit_2010.tex, line 450
def nom_csp (csp) :
if csp == 3 : return "cat. C"
elif csp == 1 : return "cat. A"
elif csp == 2 : return "cat. B"
else : return "cat. D"
File: ecrit_2010.tex, line 513
def calculeN (I,J) : # I et J sont des entiers comme par exemple I=3 et J=5
nombre = [ [0 for i in range (0, J) ] for i in range (0, I) ]
# nombre est alors égal à [[0, 0, 0, 0, 0], [0, 0, 0, 0, 0], [0, 0, 0, 0, 0]]
for i in range (0, I) :
nombre [i][0] = 1
for j in range (0, I) :
nombre [0][j] = 1
for i in range (1, I) :
for j in range (1, J) :
nombre [i][j] = nombre [i-1][j] + nombre [i][j-1]
return nombre
nombre = calculeN (3,5)
for l in nombre : print l
File: ecrit_2010.tex, line 536
[1, 1, 1, 0, 0] [1, 2, 3, 3, 3] [1, 3, 6, 9, 12]
File: ecrit_2010.tex, line 572
for j in range (0, I) : # il faut écrire range (0, J)
nombre [0][j] = 1
File: ecrit_2010.tex, line 578
[1, 1, 1, 1, 1] [1, 2, 3, 4, 5] [1, 3, 6, 10, 15]
File: ecrit_2010.tex, line 589
def calculeN (I,J) :
nombre = [ [0 for i in range (0, J) ] for i in range (0, I) ]
for i in range (0, I) :
nombre [i][0] = 1
for j in range (1, J) :
nombre [0][j] = 1
nombre [0][1:5] = [2,] * (J-1) ##### ligne ajoutée
for i in range (1, I) :
for j in range (1, J) :
nombre [i][j] = nombre [i-1][j] + nombre [i][j-1]
return nombre
nombre = calculeN (3,5)
for l in nombre : print l
File: ecrit_2010.tex, line 612
[1, 2, 2, 2, 2] [1, 3, 5, 7, 9] [1, 4, 9, 16, 25]
File: ecrit_2010.tex, line 641
def generation_ensemble (n, s, s1, s2) :
l = [ ]
alpha = s * s2 / s1
beta = s2 * (1.0 - s**2) ** 0.5
for i in range (0, n) :
x = random.gauss (0,s1)
u = random.gauss (0,1.0)
y = alpha * x + beta * u
l [i] = [ [x,y] ] # ligne 26
return l
File: ecrit_2010.tex, line 656
Traceback (most recent call last):
File "examen2010.py", line 62, in <module>
points = generation_ensemble (50000, 1., 2., 6., 0.5)
File "examen2010.py", line 26, in generation_ensemble
l [i] = [ [x,y] ]
IndexError: list assignment index out of range
File: ecrit_2010.tex, line 671
def generation_ensemble2 (n, s, s1, s2) :
l = [ ]
a = s * 100
for i in range (0, n) :
x = random.gauss (0,s1)
if (i % 100) <= a : # le symbole % désigne le modulo:
# i % 100 est le reste de la division de i par 100
y = x * s2 / s1
else :
y = random.gauss (0,s2)
l += [ [x,y] ]
return l