first commit

main.py

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+import math
+
+def f_bisection(x):
+    return x**3 - 6*x**2 + 11*x - 6
+
+def bisection_method(a, b, eps):
+    fa = f_bisection(a)
+    fb = f_bisection(b)
+    if fa * fb > 0:
+        raise ValueError("f(a)*f(b) > 0. No guarantee that a root exists in the interval [a,b].")
+    
+    while True:
+        c = (a + b) / 2.0
+        fc = f_bisection(c)
+        if abs(fc) < eps:
+            return c
+        if fa * fc < 0:
+            b = c
+            fb = fc
+        else:
+            a = c
+            fa = fc