摘要：
Class methods allow us to define alternative initializers (also known as factory methods) in a class. These methods help us create instance objects fr
阅读全文
posted @ 2024-07-30 16:32
ZhangZhihuiAAA
阅读(4)
推荐(0)
编辑
摘要：
os.getcwd() Returns the path of the current working directory os.chdir(path) Changes our current working directory
阅读全文
posted @ 2024-07-30 15:49
ZhangZhihuiAAA
阅读(5)
推荐(0)
编辑
摘要：
The print function can also be used to write to a file. The output of print, that is by default, sent to the screen can be redirected to an open file.
阅读全文
posted @ 2024-07-30 15:12
ZhangZhihuiAAA
阅读(7)
推荐(0)
编辑
摘要：
'r' - read mode(default) 'w' - write mode 'a' - append mode 'x' - exclusive creation We know that the mode 'r' opens an existing file for reading only
阅读全文
posted @ 2024-07-30 14:45
ZhangZhihuiAAA
阅读(4)
推荐(0)
编辑
摘要：
Each module is loaded into memory only once during an interpreter session or during a program run, regardless of the number of times it is imported in
阅读全文
posted @ 2024-07-30 11:37
ZhangZhihuiAAA
阅读(5)
推荐(0)
编辑
摘要：
def func(s:str, i:int, j:int) -> str: return s[i:j] The parameter s is supposed to be a string, so we place a colon after the parameter name and then
阅读全文
posted @ 2024-07-30 11:17
ZhangZhihuiAAA
阅读(3)
推荐(0)
编辑
摘要：
Parameters in Function Definition A. def func(name): Match by position or by name B. def func(name=value): Default argument C. def func(*args): Collec
阅读全文
posted @ 2024-07-30 11:06
ZhangZhihuiAAA
阅读(8)
推荐(0)
编辑
摘要：
Unlike some other languages, in Python, the logical operators "and" and "or" do not return Boolean values True or False; they actually return the last
阅读全文
posted @ 2024-07-29 21:06
ZhangZhihuiAAA
阅读(5)
推荐(0)
编辑
摘要：
To select a random item from the list or shuffle the list, you can use the choice and shuffle functions from the random module of the standard library
阅读全文
posted @ 2024-07-29 20:05
ZhangZhihuiAAA
阅读(10)
推荐(0)
编辑
posted @ 2024-07-02 11:40
ZhangZhihuiAAA
阅读(4)
推荐(0)
编辑
