ha math teacher i made a python script

bin/circomference.py

@@ -0,0 +1,37 @@
+#!/usr/bin/env python3
+
+import math
+
+si = input('size append d r c a> ')
+
+st = si[-1:]
+
+si = float(si[:-1])
+
+def fromD(di):
+    r = di/2
+    fromR(r)
+
+def fromC(ce):
+    r = ce / 6.28
+    fromR(r)
+
+def fromA(ar):
+    r = math.sqrt(ar/3.14)
+    fromR(r)
+
+def fromR(ra):
+    print("radius",ra)
+    print("diam", ra*2)
+    print("cerc", 3.14 * (ra*2))
+    print("area", 3.14*(ra*ra))
+
+funcs = {
+    'd':fromD,
+    'r':fromR,
+    'c':fromC,
+    'a':fromA
+}
+
+funcs[st](si)
+