From 4889241581ea385686150cf82b0443c7da77086f Mon Sep 17 00:00:00 2001 From: llnu Date: Fri, 29 May 2020 16:58:16 +0200 Subject: [PATCH] llnu entries --- .../ex32/notes_n_drills.org | 44 ++++++++++ balazs/python-the-hard-way/ex33/ex33.py | 22 +++++ .../ex34/notes_n_drills.org | 6 ++ balazs/python-the-hard-way/ex35/ex35.py | 84 +++++++++++++++++++ .../ex35/notes_n_drills.org | 10 +++ 5 files changed, 166 insertions(+) create mode 100644 balazs/python-the-hard-way/ex32/notes_n_drills.org create mode 100644 balazs/python-the-hard-way/ex33/ex33.py create mode 100644 balazs/python-the-hard-way/ex34/notes_n_drills.org create mode 100644 balazs/python-the-hard-way/ex35/ex35.py create mode 100644 balazs/python-the-hard-way/ex35/notes_n_drills.org diff --git a/balazs/python-the-hard-way/ex32/notes_n_drills.org b/balazs/python-the-hard-way/ex32/notes_n_drills.org new file mode 100644 index 0000000..3524375 --- /dev/null +++ b/balazs/python-the-hard-way/ex32/notes_n_drills.org @@ -0,0 +1,44 @@ +* Drills + +** Take a look at how you used range . Look up the range function to understand it. + +tldr, a "function" that generates a sequence of numbers: + + + class range(start, stop[, step]): +start + + The value of the start parameter (or 0 if the parameter was not supplied) + +stop + + The value of the stop parameter + +step + + The value of the step parameter (or 1 if the parameter was not supplied) + +------- + +I found it among python 3.8.3 built-in functions. + +but! + +Turns out it's not a function after all! + +It's an immutable sequence type. + +"a range object will always take the same (small) amount of memory" ... "as it only stores the start, stop and step values" and generates numbers on the fly + +note: similar in shell is: seq +source: https://docs.python.org/3/library/stdtypes.html#range + +** Could you have avoided that for-loop entirely on line 22 and just assigned range(0,6) directly to elements? +Do you mean line 21 book? (typo) + +Yes! Because range will generate a list that can be appended added as is. +** Find the Python documentation on lists and read about them. What other operations can you do to lists besides append? + +extend, insert, remove, pop, clear, index, count, sort, reverse, copy + +fascinating! programming is cool! you can do so much with it diff --git a/balazs/python-the-hard-way/ex33/ex33.py b/balazs/python-the-hard-way/ex33/ex33.py new file mode 100644 index 0000000..c93d5bb --- /dev/null +++ b/balazs/python-the-hard-way/ex33/ex33.py @@ -0,0 +1,22 @@ +#i = 0 +numbers = [] + +def counter(i2, INC_BY): + + i = 0 + + while i < i2 : + print(f"At the top i is {i}") + numbers.append(i) + + i = i + INC_BY + + print("Nums now:", numbers) + print(f"At the bottom i is {i}") + +print("The numbers: ") + +for num in numbers: + print(num) + +counter(2, 2) diff --git a/balazs/python-the-hard-way/ex34/notes_n_drills.org b/balazs/python-the-hard-way/ex34/notes_n_drills.org new file mode 100644 index 0000000..c9591c1 --- /dev/null +++ b/balazs/python-the-hard-way/ex34/notes_n_drills.org @@ -0,0 +1,6 @@ +* Drills + +** With what you know of the difference between these types of numbers, can you explain why the year 2010 in ”January 1, 2010,” really is 2010 and not 2009? (Hint: you can’t pick years at random.) + +What is this question? :/ + diff --git a/balazs/python-the-hard-way/ex35/ex35.py b/balazs/python-the-hard-way/ex35/ex35.py new file mode 100644 index 0000000..025be9c --- /dev/null +++ b/balazs/python-the-hard-way/ex35/ex35.py @@ -0,0 +1,84 @@ +from sys import exit +import time + +def gold_room(): + print("This room is full of gold. How much do you take?") + + choice = input("> ") + if "0" in choice or "1" in choice: + how_much = int(choice) + 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 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: + choice = input("> ") + + if choice == "take honey": + dead("The bear looks at you then slaps your face off.") + elif choice == "taunt bear" and not bear_moved: + print("The bear has moved from the door.") + print("You can go through it now.") + bear_moved = True + elif choice == "tea" and not bear_moved: + print("You have invited the bear for a tea.") + time.sleep(1) + print("The bear is happy and moved.") + bear_moved = True + elif choice == "taunt bear" and bear_moved: + dead("The bear gets pissed off and chews your leg off.") + elif choice == "open door" and bear_moved: + gold_room() + else: + print("I got no idea what that means.") + + +def cthulhu_room(): + print("Here you see the great evil Cthulhu.") + print("He, it, whatever stares at you and you go insane.") + print("Do you flee for your life or eat your head?") + + choice = input("> ") + + if "flee" in choice: + start() + elif "head" in choice: + dead("Well that was tasty!") + else: + cthulhu_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?") + + choice = input("> ") + + if choice == "left": + bear_room() + elif choice == "right": + cthulhu_room() + else: + dead("You stumble around the room until you starve.") + + +start() diff --git a/balazs/python-the-hard-way/ex35/notes_n_drills.org b/balazs/python-the-hard-way/ex35/notes_n_drills.org new file mode 100644 index 0000000..f348d56 --- /dev/null +++ b/balazs/python-the-hard-way/ex35/notes_n_drills.org @@ -0,0 +1,10 @@ +*Drills + +** The gold_room has a weird way of getting you to type a number. What are all the bugs in this way of doing it? Can you make it better than what I’ve written? Look at how int() works for clues. + +Non greedy is less than 50 but only 1 and 0 qualify. + +Nicer ways: +-> check for numbers +-> also check for None and All strings +-> sanitize input for int(), (int can take 2 variables)