我最近一直在使用base-36,对将整数转换成base-36字符串从来都不满意。它看起来有点不平衡的…
def to_base36(value):
if not isinstance(value, int):
raise TypeError("expected int, got %s: %r" % (value.__class__.__name__, value))
if value == 0:
return "0"
if value < 0:
sign = "-"
当我运行upower -i /org/freedesktop/UPower/devices/DisplayDevice (在不同的机器上可能不同,得到一个带有upower --enumerate的列表)时,我得到的输出类似于以下内容:
power supply: yes
updated: Thu 01 Jan 1970 01:00:00 AM CET (1444049000 seconds ago)
has history: no
has statistics: no
battery
present:
我正在阅读Python速成课程,我被书中给出的例子困住了。我甚至复印了书上的剧本,结果还是出了差错。
文件名为car.py
"""A class that can be used to represent a car."""
class Car():
"""A simple attempt to represent a car."""
def __init__(self, make, model, year):
"""Initialize attributes t