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adds textbased game code

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waldek 2021-10-28 11:35:48 +02:00
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@ -411,8 +411,61 @@ else:
# A text based adventure game
We can use conditional logic to create quite elaborate decision processes.
Let's build a mini text based adventure game.
Granted it's not a *tripple A* game but it will train your `if` and `else` skills plus it will highlight some issues we'll overcome in the next section.
Consider the diagram below.
![adventure game](./assets/text_based_adventure_game.png)
```python3
answer = input("You're at a cross section. Do you go left or right?")
if answer.startswith("l"):
answer = input("Down this hall you encounter a bear. Do you fight it?")
if answer.startswith("y"):
print("The bear counter attack! He kills you")
print("game over!")
exit(0)
elif answer.startswith("n"):
print("It's a friendly bear! He transforms into a wizard!")
answer = input("The wizard asks you if you know the meaning of life?")
if answer == "42":
print("He knods approuvingly and upgrades you to wizard status!")
print("You win!")
exit(0)
else:
print("He shakes his head in disbelief. You fool!")
print("game over!")
else:
print("that's not a valid choice...")
print("game over!")
exit(0)
elif answer.startswith("r"):
answer = input("Down this hall you find some mushrooms. Do you eat them?")
if answer.startswith("n"):
print("You starve to dead...")
print("game over!")
exit(0)
elif answer.startswith("y"):
print("A wizard apprears out of thin air!")
answer = input("The wizard asks you if you know the meaning of life?")
if answer == "42":
print("He knods approuvingly and upgrades you to wizard status!")
print("You win!")
exit(0)
else:
print("He shakes his head in disbelief. You fool!")
print("game over!")
else:
print("that's not a valid choice...")
print("game over!")
exit(0)
pass
else:
print("game over!")
exit(0)
```
# Creating your own functions
## Functions that *do* something