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def conversion(l):
donnees = [[0,[]] for _ in range(21)]
for i,el in enumerate(sample):
donnees[el[0]][0]+=1
donnees[el[0]][1]+=[el[1]]
return donnees
def moyenne(donnees):
n = 0
s = 0
for i,el in enumerate(donnees) :
s += el[0]*i
n += el[0]
return(s/n)
def mediane(donnees):
s_tot = sum([el[0] for el in donnees])
s,i=0,0
while s<s_tot/2 :
s+=donnees[i][0]
i+=1
return i-1
print(conversion(sample))
donnees = [[0,[]] for _ in range(21)]
for i,el in enumerate(sample):
donnees[el[0]][0]+=1
donnees[el[0]][1]+=[el[1]]
return donnees
def moyenne(donnees):
n = 0
s = 0
for i,el in enumerate(donnees) :
s += el[0]*i
n += el[0]
return(s/n)
def mediane(donnees):
s_tot = sum([el[0] for el in donnees])
s,i=0,0
while s<s_tot/2 :
s+=donnees[i][0]
i+=1
return i-1
print(conversion(sample))
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