--- /dev/null
+import sys
+
+def inputText():
+ input = sys.stdin.readline()
+ return input.strip()
+
+def inputChoices(list, backcmd = "b", backtext = "back"):
+ repeat = True
+ while(repeat):
+ repeat = False
+ count = 0
+ for item in list:
+ print count, "-", item
+ count += 1
+ print backcmd, "-", backtext
+ input = inputText()
+ if input == backcmd:
+ return None
+
+ action = int(input)
+ if action >= len(list):
+ repeat = True
+ return action
\ No newline at end of file