Let's dive into the article to learn more about getting a variable name as a string. Using Python globals() Function The Python globals() function is used to return a dictionary representing the current global symbol table. It provides the access to all the global variables and their ...
hexdigits -- a string containing all characters considered hexadecimal digits octdigits -- a string containing all characters considered octal digits punctuation -- a string containing all characters considered punctuation printable -- a string containing all characters considered printable """ # Some s...
15.hexdigits -- a string containing all characters considered hexadecimal digits 16.octdigits -- a string containing all characters considered octal digits 17.punctuation -- a string containing all characters considered punctuation 18.printable -- a string containing all characters considered printable 1...
while stack: current = stack.pop() print(current.value) stack.extend(current.children[::-1]) # 逆序保证顺序 # 递归实现 def traverse_recursive(node): print(node.value) for child in node.children: traverse_recursive(child) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 迭代实现...
def function_name(arg1, arg2): function body return value... 5.1、函数参数 在创建函数的时候,可以设置参数也可以不用设置参数,在python函数参数有以下几种: 必须参数: 调用函数时必须要传入参数,并且传入参数的顺序也要一致。关键字参数: 使用关键字可以不按函数定义时的参数顺序传入参数。默认参数: ...
如__builtins__.__dict__['int'] 显示为 <type 'int'>; __builtins__.__dict__['dir] 显示为<built-in function dir>; 系统的 __builtin__ 模块的 name为 '__builtin__ ', 即 __builtins__.__dict__['__name__'] 显示为 '__builtin__ '; ...
split) Help on built-in function split: split(...) S.split([sep [,maxsplit]]) -> list of strings #sep为分隔符,默认为空格 最大分隔次数 Return a list of the words in the string S, using sep as the delimiter string. If maxsplit is given, at most maxsplit splits are done. If ...
from datetimeimportdatetimeimportmatplotlib.pylabasplt 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # 读取数据,pd.read_csv默认生成DataFrame对象,需将其转换成Series对象 df=pd.read_csv('AirPassengers.csv',encoding='utf-8',index_col='date')df.index=pd.to_datetime(df.index)# 将字符串索引转...
NullFunctionError: Attempt to call an undefined function glutInit, checkfor bool(glutInit) beforecalling 原来，pip 默认安装的是32位版本的PyOpenGL，而我的操作系统是64位的。建议点击这里下载适合自己的版本，直接安装.whl文件。我是这样安装的：pipinstallPyOpenGL-3.1.3b2-cp37-cp37m-win_amd64.whl OpenGL...
按功能相近或依赖关系分组导入,可增强代码逻辑: # 导入顺序建议:标准库 -> 第三方库 -> 本项目模块 import os import json import requests from my_library.utils import helper_function from my_library.models import User # 如果有必要,使用别名以减少冲突 import numpy as np 3.1.2 分层架构与模块划分...