Eulerlib in python 2.7.13
0
After solving this problem link https://projecteuler.net/problem=27, I found another solution to the problem :
import itertools , eulerlib
def compute():
ans = max(((a, b) for a in range(-999, 1000) for b in range(2, 1000)),
key=count_consecutive_primes)
return str(ans[0] * ans[1])
def count_consecutive_primes(ab):
a, b = ab
for i in itertools.count():
n = i * i + i * a + b
if not is_prime(n):
return i
isprimecache = eulerlib.list_primality(1000)
def is_prime(n):
if n < 0:
return False
elif n < len(isprimecache):
return isprimecache[n]
else:
return eulerlib.is_prime(n)
if __name__ == "__main__":
print(compute())
And when i run this i get this message Error:
AttributeError :'module' object has no attribute 'list_primality'.
In fact i have already installed euerlib
python attributeerror
asked Nov 26 '18 at 18:31
Javier Dos SantosJavier Dos Santos
32
add a comment |
0
After solving this problem link https://projecteuler.net/problem=27, I found another solution to the problem :
import itertools , eulerlib
def compute():
ans = max(((a, b) for a in range(-999, 1000) for b in range(2, 1000)),
key=count_consecutive_primes)
return str(ans[0] * ans[1])
def count_consecutive_primes(ab):
a, b = ab
for i in itertools.count():
n = i * i + i * a + b
if not is_prime(n):
return i
isprimecache = eulerlib.list_primality(1000)
def is_prime(n):
if n < 0:
return False
elif n < len(isprimecache):
return isprimecache[n]
else:
return eulerlib.is_prime(n)
if __name__ == "__main__":
print(compute())
And when i run this i get this message Error:
AttributeError :'module' object has no attribute 'list_primality'.
In fact i have already installed euerlib
python attributeerror
asked Nov 26 '18 at 18:31
Javier Dos SantosJavier Dos Santos
32
Are you sure you have the most recent version ofeulerlib? Try doingpip install --upgrade eulerliband then trying again.
– Green Cloak Guy
Nov 26 '18 at 18:47
i get this message : You should consider upgrading via the 'python -m pip install --upgrade pip' command .
– Javier Dos Santos
Nov 26 '18 at 18:56
add a comment |
0
0
0
After solving this problem link https://projecteuler.net/problem=27, I found another solution to the problem :
import itertools , eulerlib
def compute():
ans = max(((a, b) for a in range(-999, 1000) for b in range(2, 1000)),
key=count_consecutive_primes)
return str(ans[0] * ans[1])
def count_consecutive_primes(ab):
a, b = ab
for i in itertools.count():
n = i * i + i * a + b
if not is_prime(n):
return i
isprimecache = eulerlib.list_primality(1000)
def is_prime(n):
if n < 0:
return False
elif n < len(isprimecache):
return isprimecache[n]
else:
return eulerlib.is_prime(n)
if __name__ == "__main__":
print(compute())
And when i run this i get this message Error:
AttributeError :'module' object has no attribute 'list_primality'.
In fact i have already installed euerlib
python attributeerror
asked Nov 26 '18 at 18:31
Javier Dos SantosJavier Dos Santos
32
After solving this problem link https://projecteuler.net/problem=27, I found another solution to the problem :
import itertools , eulerlib
def compute():
ans = max(((a, b) for a in range(-999, 1000) for b in range(2, 1000)),
key=count_consecutive_primes)
return str(ans[0] * ans[1])
def count_consecutive_primes(ab):
a, b = ab
for i in itertools.count():
n = i * i + i * a + b
if not is_prime(n):
return i
isprimecache = eulerlib.list_primality(1000)
def is_prime(n):
if n < 0:
return False
elif n < len(isprimecache):
return isprimecache[n]
else:
return eulerlib.is_prime(n)
if __name__ == "__main__":
print(compute())
And when i run this i get this message Error:
AttributeError :'module' object has no attribute 'list_primality'.
In fact i have already installed euerlib
python attributeerror
python attributeerror
asked Nov 26 '18 at 18:31
Javier Dos SantosJavier Dos Santos
32
asked Nov 26 '18 at 18:31
Javier Dos SantosJavier Dos Santos
32
asked Nov 26 '18 at 18:31
Javier Dos SantosJavier Dos Santos
32
asked Nov 26 '18 at 18:31
Javier Dos SantosJavier Dos Santos
32
asked Nov 26 '18 at 18:31
Javier Dos SantosJavier Dos Santos
32
32
Are you sure you have the most recent version ofeulerlib? Try doingpip install --upgrade eulerliband then trying again.
– Green Cloak Guy
Nov 26 '18 at 18:47
i get this message : You should consider upgrading via the 'python -m pip install --upgrade pip' command .
– Javier Dos Santos
Nov 26 '18 at 18:56
add a comment |
Are you sure you have the most recent version ofeulerlib? Try doingpip install --upgrade eulerliband then trying again.
– Green Cloak Guy
Nov 26 '18 at 18:47
i get this message : You should consider upgrading via the 'python -m pip install --upgrade pip' command .
– Javier Dos Santos
Nov 26 '18 at 18:56
Are you sure you have the most recent version of
eulerlib? Try doing pip install --upgrade eulerlib and then trying again.– Green Cloak Guy
Nov 26 '18 at 18:47
Are you sure you have the most recent version of
eulerlib? Try doing pip install --upgrade eulerlib and then trying again.– Green Cloak Guy
Nov 26 '18 at 18:47
i get this message : You should consider upgrading via the 'python -m pip install --upgrade pip' command .
– Javier Dos Santos
Nov 26 '18 at 18:56
i get this message : You should consider upgrading via the 'python -m pip install --upgrade pip' command .
– Javier Dos Santos
Nov 26 '18 at 18:56
add a comment |
0
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Are you sure you have the most recent version of
eulerlib? Try doingpip install --upgrade eulerliband then trying again.– Green Cloak Guy
Nov 26 '18 at 18:47
i get this message : You should consider upgrading via the 'python -m pip install --upgrade pip' command .
– Javier Dos Santos
Nov 26 '18 at 18:56