tasks a-s

Task/Nth-root/Python/nth-root-1.py

@@ -0,0 +1,13 @@
+from decimal import Decimal, getcontext
+
+def nthroot (n, A, precision):
+    getcontext().prec = precision
+
+    n = Decimal(n)
+    x_0 = A / n #step 1: make a while guess.
+    x_1 = 1     #need it to exist before step 2
+    while True:
+        #step 2:
+        x_0, x_1 = x_1, (1 / n)*((n - 1)*x_0 + (A / (x_0 ** (n - 1))))
+        if x_0 == x_1:
+            return x_1

Task/Nth-root/Python/nth-root-2.py

@@ -0,0 +1,3 @@
+print nthroot(5, 34, 10)
+print nthroot(10,42, 20)
+print nthroot(2, 5, 400)