Sample code to understand branches and functions in python

Author: ashutosh97

samplegame.py

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+# SAMPLE CODE TO ILLUTRATE THE CONCEPT OF BRANCHES AND FUNCTIONS IN PYTHON
+# Users are advised to go through this piece of code and dry run it to get an understanding of function calls.
+
+from sys import exit
+def gold_room():
+  print "This room is full of gold.How much do you take?"
+  next = raw_input("> ")
+  if "0" in next or "1" in next:
+    how_much = int(next)
+  else:
+     dead("Man, learn to type a number.")
+  if how_much < 50:
+    print "Nice, you're not greedy, you win!"
+    exit(0)
+  else:
+    dead("You greedy bastard!")
+def bear_room():
+  print "There is a bear here."
+  print "The bear has a bunch of honey."
+  print "The fat bear is in front of another door."
+  print "How are you going to move the bear?"
+  bear_moved = False
+  while True:
+    next = raw_input("> ")
+    if next == "take honey":
+      dead("The bear looks at you then slaps your face off.")
+    elif next == "taunt bear" and not bear_moved:
+      print "The bear has moved from the door. You can go through it now."
+      bear_moved = True
+    elif next == "taunt bear" and bear_moved:
+      dead("The bear gets pissed off and chews your leg off.")
+    elif next == "open door" and bear_moved:
+      gold_room()
+    else:
+      print "I got no idea what that means."
+
+def cthulu_room():
+  print "Here you see the great evil Cthulu."
+  print "He, it, whatever stares at you and you go insane."
+  print "Do you flee for your life or eat your head?"
+  next = raw_input("> ")
+  if "flee" in next:
+    start()
+  elif "head" in next:
+    dead("Well that was tasty!")
+  else:
+    cthulu_room()
+    
+def dead(why):
+  print why, "Good job!"
+  exit(0)
+
+def start():
+  print "You are in a dark room."
+  print "There is a door to your right and left."
+  print "Which one do you take?"
+  next = raw_input("> ")
+  if next == "left":
+    bear_room()
+  elif next == "right":
+    cthulu_room()
+  else:
+    dead("You stumble around the room until you starve.")
+
+start()
+