python之穿越火线游戏代码_Python实现拼字游戏与代码重构
有位文豪說得好:“看一個作家的水平,不是看他發(fā)表了多少文字,而要看他的廢紙簍里扔掉了多少。” 我覺得同樣的理論適用于編程。好的程序員,他們刪掉的代碼,比留下來的還要多很多。如果你看見一個人寫了很多代碼,卻沒有刪掉多少,那他的代碼一定有很多垃圾。 ----摘自《編程的智慧》
今天在OpenHatch上找到一個涉及到幾個Python知識點(diǎn)的小項(xiàng)目,需求是編寫一個帶評分功能的英文填字圖版游戲。
詳細(xì)需求:
practice breaking down a problem and solving it in Python from scratch
practice command line argument parsing
practice reading from files
practice working with dictionaries and for loops
涉及到的Python知識點(diǎn):
1.文件操作
2.argparse庫的使用(個人選擇,用sys.argv效果類似)
3.collections中Counter類的高級應(yīng)用
4.列表解析的應(yīng)用
5.其他若干小的函數(shù)應(yīng)用
首次編碼:
#!/usr/bin/env python
from __future__ import print_function
import argparse
SCORES = {"a":1,"c":3,"b":3,"e":1,"d":2,"g":2,"f":4,"i":1,
"h":4,"k":5,"j":8,"m":3,"l":1,"o":1,"n":1,"q":10,"p":3,
"s":1,"r":1,"u":1,"t":1,"w":4,"v":4,"y":4,"x":8,"z":10}
def get_sowpod():
word_list = []
with open('/Users/gaoxing/Desktop/sowpods.txt')as f:
for line in f:
word_list.append(line.strip().lower())
return word_list
def argparse_arg():
argparser = argparse.ArgumentParser()
argparser.add_argument('args')
res_arg = argparser.parse_args()
return vars(res_arg)
def arg_proc():
arg_dict = argparse_arg()
arg_list = []
for w in(arg_dict.values()[0]):
if w not in arg_list:
arg_list.append(w)
return arg_list
def scrab():
word_list = get_sowpod()
source_list = arg_proc()
target_list = []
for line in word_list:
tmp_list = []
for word in line:
if word not in tmp_list:
tmp_list.append(word)
if set(tmp_list).issubset(set(source_list)):
target_list.append(line)
return target_list
def get_score(words):
dict_score = {}
for word in words:
dict_score[word] = sum(SCORES[c] for c in word)
return dict_score
def sort_dict(d):
dict1 = sorted(zip(d.values(), d.keys()), reverse=True)
for key, val in dict1:
print(key,',',val)
if __name__ == '__main__':
d = get_score(scrab())
print(sort_dict(d))
效果圖:
運(yùn)行效果
開始代碼重構(gòu):
存在的問題:
1.函數(shù)概念不突出,沒有main函數(shù),很多情況都是直接用一個函數(shù)調(diào)用另一個函數(shù),沒有輸入?yún)?shù)
2.對此腳本輸入大寫參數(shù)如 ZAEFIEE時,程序無任何輸出結(jié)果
3.不輸入?yún)?shù)時,得不到需求要求的效果圖,
需求:
要求效果圖
本腳本:
我的效果圖
4.函數(shù)scrab()過于復(fù)雜
進(jìn)行修改:
修改內(nèi)容:
1.把a(bǔ)rgparse_arg()函數(shù)和 arg_proc()合并,并改名為get_user();
2.增加main函數(shù),分別接受用戶輸入,構(gòu)建核對列表,調(diào)用scrab()函數(shù)并進(jìn)行評分和排序;
3.對于問題4, collections庫中有個計(jì)數(shù)器叫做Counter,可以進(jìn)行加減法運(yùn)算,直接運(yùn)用這個類和列表解析式來代替多個for循環(huán)和復(fù)雜的if判斷
4.修改大寫參數(shù)無輸出結(jié)果問題
5.若干細(xì)節(jié)修改
修改后的代碼:
#!/usr/bin/env python
from __future__ import print_function
import argparse
from collections import Counter
SCORES = {"a": 1, "c": 3, "b": 3, "e": 1, "d": 2, "g": 2,
"f": 4, "i": 1, "h": 4, "k": 5, "j": 8, "m": 3,
"l": 1, "o": 1, "n": 1, "q": 10, "p": 3, "s": 1,
"r": 1, "u": 1, "t": 1, "w": 4, "v": 4, "y": 4,
"x": 8, "z": 10}
def get_sowpod():
word_list = []
with open('/Users/gaoxing/Desktop/sowpods.txt') as f:
for line in f:
word_list.append(line.strip())
return word_list
def get_user():
argparser = argparse.ArgumentParser()
argparser.add_argument('[RACK]')
res_arg = argparser.parse_args()
arg_dict = vars(res_arg)
return arg_dict.values()[0]
def scrab_plus(source, target):
source_counter = Counter(target)
return [ word.lower() for word in source if not (Counter(word) - source_counter) ]
def get_score(words):
dict_score = {}
for word in words:
dict_score[word] = sum(SCORES[c] for c in word)
return dict_score
def sort_dict(d):
dict1 = sorted(zip(d.values(), d.keys()), reverse=True)
for key, val in dict1:
print(key, ',', val)
def main():
sowpod_list = get_sowpod()
user_list = get_user()
target_list = scrab_plus(sowpod_list, user_list.upper())
sort_dict(get_score(target_list))
if __name__ == '__main__':
main()
運(yùn)行效果圖:
新的運(yùn)行效果
歡迎各位指出這個腳本可以再改進(jìn)的地方!
若需轉(zhuǎn)載請聯(lián)系本人!
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