Moved problems till e045.py to Python 2.

python/e040.py

@@ -0,0 +1,22 @@
+from lib_misc import product
+
+
+def get_irrational_fraction(digits_max):
+    s = []
+    n = 1
+    digits = 0
+    while digits < digits_max:
+        s.append(str(n))
+        digits += len(str(n))
+        n += 1
+    return "".join(s)
+
+
+def euler_040():
+    f = get_irrational_fraction(1000001)
+    return product(map(int, [f[10**i - 1] for i in range(7)]))
+
+
+if __name__ == "__main__":
+    print("e040.py: " + str(euler_040()))
+    assert(euler_040() == 210)