05-funkce/fibonacci.py

@@ -7,3 +7,17 @@ def fibonacci(n):
     for i in range(2, n+1):
         a, b = b, a+b
     return b
+
+
+def fibonacci2(n):
+    fib = [0, 1]
+    while len(fib) <= n:
+        fib.append(fib[-1] + fib[-2])
+    return fib[n]
+
+
+def fibonacci3(n):
+    if n <= 1:
+        return n
+    else:
+        return fibonacci3(n-1) + fibonacci3(n-2)

05-funkce/min3.py

@@ -6,5 +6,15 @@ def min2(x, y):
     else:
         return y
 
+
 def min3(x, y, z):
     return min2(min2(x, y), z)
+
+
+def min3_alt(x, y, z):
+    if x <= y and x <= z:
+        return x
+    elif y <= x and y <= z:
+        return y
+    else:
+        return z