1樓:
__init__方法在類的一個物件被建立時,馬上執行。這個方法可以用來對你的物件做一些你希望專的 初始化屬 。注意,這個名稱的開始和結尾都是雙下劃線。
建立def __init__(self,lyrics): 或者別的函式時候需要多加一個self變數:
如果不加self,lyrics= lyrics這樣的**意義就不明確了,它指的既可能例項的lyrics屬性,或者一個叫做lyrics的區域性變數。有了self.lyrics=lyrics你就知道這指的是例項的屬性self.
lyrics
2樓:**ile無峰
物件導向初始bai值du
賦值aa = song(["they rally around the family",
"with pockets full of shells"])aa唱的歌詞
zhi就是那個數列
lyrics 歌詞的dao意思吧
新手求教,笨方法學python的習題35問題
3樓:匿名使用者
#!usr/bin/python
# -*-coding:utf-8-*-
from sys import exit
def gold_room():
print("this room is full of gold. how much do you take?")
next = 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 = 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 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?")
next = input("> ")
if "flee" in next:
start()
elif "head" in next:
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?")
next = input("> ")
if next == "left":
bear_room()
elif next == "right":
cthulhu_room()
else:
dead("you stumble around the room until you starve.")
start()
執行結果如下:
you are in a dark room.
there is a door to your right and left.
which one do you take?
> left
there is a bear here.
the bear has a bunch of honey.
the fat bear is in front of another door.
how are you going to move the bear?
> taunt bear
the bear has moved from the door. you can go through it now.
> open door
this room is full of gold. how much do you take?
> asf
man, learn to type a number. good job!
笨辦法學python,習題25import出錯
4樓:匿名使用者
兩種處理:
1、切換
來到源ex25.py的路徑下,再import。切換路徑命令:cd f:\pylearning
2、把ex25.py檔案複製到python安裝目錄的lib資料夾下面,在任意位置都可以import
5樓:匿名使用者
在敲入python之前,先復f:\ 回車制,然後再 cd f:\pylearning,再輸入python, 這樣就不會報錯了。
或者你在進入python提示後,import os, 然後輸入os.chdir('f:\\pylearning'), 再輸入import ex25就不會報錯了。
6樓:匿名使用者
當沒有切換到f:/pylearning時,不會從改目錄下查詢。需要切換到該目錄再import
7樓:匿名使用者
這個實際就是一復個制環境變數的問題,你把你寫
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