posted @ 2024-08-05 16:26
ZhangZhihuiAAA
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posted @ 2024-08-05 15:51
ZhangZhihuiAAA
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import turtle import math from random import uniform from dataclasses import dataclass WIDTH = 1200 HEIGHT = 800 MIN_V = 5 MAX_V = 15 MIN_SIZE_FACTOR
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posted @ 2024-08-04 17:35
ZhangZhihuiAAA
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So p=mv normally but why does ∆p = 2mv when a molecule or something hits a wall and comes back? v is velocity and when using velocity direction matter
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posted @ 2024-08-03 16:37
ZhangZhihuiAAA
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import time SLEEP = 50 def tick(): start = time.perf_counter() # hi-resolution timer (in seconds) # do something ... elapsed = int(1000 * (time.perf_c
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posted @ 2024-08-03 13:35
ZhangZhihuiAAA
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A typical event-driven program is not doing anything most of the time, and its functionality is only triggered by external signals, such as user input
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posted @ 2024-08-02 16:07
ZhangZhihuiAAA
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with statement Here is the syntax of the with statement: with expression as var: statements The expression should be a context manager object, or it s
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posted @ 2024-07-31 21:50
ZhangZhihuiAAA
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Figure 20.4: Built-in exceptions The class BaseException is the base class of all the built-in exception classes. From BaseException, four classes nam
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posted @ 2024-07-31 21:03
ZhangZhihuiAAA
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There are two approaches that can be followed when we want to deal with exceptions that occur due to unusual events: LBYL - Look Before You Leap EAFP
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posted @ 2024-07-31 20:48
ZhangZhihuiAAA
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>>> list(map(lambda x, y: x * y, [1,2,3,4], [5,6,7,8])) [5, 12, 21, 32] Here we have called the map function and sent a lambda expression as first arg
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posted @ 2024-07-31 20:13
ZhangZhihuiAAA
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