# Sito Erastotenesa
n = 100
i = 1
sito = []
for i in range(n+1):
sito.append(0)
sito[1] = 2
x = 2
while x <= n:
k = 2
if sito[x] == 0:
sito[x] = 1
while k*x <= n:
sito[k*x] = 2
k += 1
x += 1
for index, liczba in enumerate(sito):
if liczba == 1:
print index
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