Add solution for problem 32 in python

Python/p031.py

@@ -24,7 +24,7 @@ def main():
 
     end = default_timer()
 
-    print('Project Euler, Problem 30')
+    print('Project Euler, Problem 31')
     print('Answer: {}'.format(n))
 
     print('Elapsed time: {:.9f} seconds'.format(end - start))

Python/p032.py

@@ -0,0 +1,75 @@
+#!/usr/bin/python3
+
+import numpy as np
+from numpy import zeros
+
+from timeit import default_timer
+
+def main():
+    start = default_timer()
+
+    n = 0
+    products = zeros(100, int)
+
+    for i in range(2, 100):
+        for j in range(100, 10000):
+            a = i
+            b = j
+            p = a * b
+
+            digits = zeros(10, int)
+
+            while True:
+                d = a % 10
+                digits[d] = digits[d] + 1
+                a = a // 10
+
+                if a <= 0:
+                    break
+
+            while True:
+                d = b % 10
+                digits[d] = digits[d] + 1
+                b = b // 10
+
+                if b <= 0:
+                    break
+
+            p1 = p
+
+            while True:
+                d = p1 % 10
+                digits[d] = digits[d] + 1
+                p1 = p1 // 10
+
+                if p1 <= 0:
+                    break
+
+            k = 0
+
+            if digits[0] == 0:
+                for k in range(1, 11):
+                    if k > 9 or digits[k] > 1 or digits[k] == 0:
+                        break
+
+            if k == 10:
+                products[n] = p
+                n = n + 1
+
+    products = np.sort(products)
+
+    sum_ = products[0]
+
+    for i in range(1, 100):
+        if products[i] != products[i-1]:
+            sum_ = sum_ + products[i]
+
+    end = default_timer()
+
+    print('Project Euler, Problem 32')
+    print('Answer: {}'.format(sum_))
+
+    print('Elapsed time: {:.9f} seconds'.format(end - start))
+
+if __name__ == '__main__':
+    main()