# 导入 Enum 类fromenumimportEnum# 定义共享值的交通信号灯枚举类classTrafficLightWithSharedValues(Enum):RED="STOP"# 红灯 - 停止YELLOW="STOP"# 黄灯 - 停止GREEN="GO"# 绿灯 - 走# 检查每一个枚举成员对应的值print(TrafficLightWithSharedValues.RE
Enum string comparison To compare a string with an enum, extend from thestrclass when declaring your enumeration class, e.g.class Color(str, Enum):. You will then be able to compare a string to an enum member using the equality operator==. How to compare a string with an Enum in Pyt...
importre text='This is sample text to test if this pythonic '\'program can serve as an indexing platform for '\'finding words in a paragraph. It can give '\'values as to where the word is located with the '\'different examples as stated'find_the_word=re.finditer('as',text)formatch...
def_create_(cls, class_name, names, *, module=None, qualname=None,type=None, start=1):"""Convenience method to create a new Enum class. `names` can be: * A string containing member names, separated either with spaces or commas. Values are incremented by 1 from `start`. * An iterab...
There are several ways how we can specify the values with functional API. In later examples, we will use other functional ways. Season = Enum('Season', 'SPRING SUMMER AUTUMN WINTER', start=1) Here the values are specified in a string, separated by space. Thestartprovides the initial value...
@enum.unique 专用于枚举的 class 装饰器。 它会搜索一个枚举的 __members__ 并收集所找到的任何别名;只要找到任何别名就会引发 ValueError 并附带相关细节信息: >>> >>> from enum import Enum, unique >>> @unique ... class Mistake(Enum): ... ONE = 1 ... TWO = 2 ... THREE = 3 ...
from enum import Enum class Status(Enum): NO_STATUS = -1 NOT_STARTED = 0 IN_PROGRESS = 1 COMPLETED = 2 print(Status.IN_PROGRESS.name) # IN_PROGRESS print(Status.COMPLETED.value) # 2 ▍9、重复字符串 name = "Banana" print(name * 4) # BananaBananaBananaBanana ▍10、比较3个数字的大...
int,float,int-&float-derivedEnums number True true False false None null JSON解码为Python类型转换对应表: 代码语言:txt 代码解释 JSON Python object dictarray list string str (int) int number(real) float true True false False null None 如果你要处理的是文件而不是字符串,你可以使用jsondump...
However, Python does not have a character data type, a single character is simply a string with a length of 1.Square brackets can be used to access elements of the string.Example Get the character at position 1 (remember that the first character has the position 0): a = "Hello, World...
use rusqlite::{Connection, ToSql};use std::sync::mpsc;use std::sync::mpsc::{Receiver, Sender};use std::thread;mod common;static MIN_BATCH_SIZE: i64 = 50;enum ParamValues {WithArea(Vec<(String, i8, i8)>),WithoutArea(Vec<(i8, i8)>),}fn consumer(rx: Receiver<ParamValues>) {let...