with open(data_file,'w') as f: f.write('NumRoom,Ally,Price/n') f.write('NA,Pave,127500/n') f.write('2,NA,106000/n') f.write('4,NA,178100/n') f.write('NA,NA,140000/n')
时间: 2023-06-20 22:08:39 浏览: 46
您好,这段代码的问题是在写入文件时使用了斜杠(/n)而不是换行符(\n)。正确的代码应该是:
```
with open(data_file,'w') as f:
f.write('NumRoom,Ally,Price\n')
f.write('NA,Pave,127500\n')
f.write('2,NA,106000\n')
f.write('4,NA,178100\n')
f.write('NA,NA,140000\n')
```
这样可以正确地写入每一行,并在行末添加换行符。
相关问题
import os # 导入操作系统模块 可以使用其中定义的函数和变量来进行操作系统相关的任务,如文件、目录操作等。 os.makedirs(os.path.join('..','data'),exist_ok=true # didrectory 目录 创建一个目录 data_file = os.path.join('..','data','house_tiny.csv') with open(data_file,'w') as f: f.write('NumRoom,Ally,Price\n') f.write('NA,Pave,127500\n') f.write('2,NA,106000\n') f.write('4,NA,178100\n') f.write('NA,NA,140000\n') 请指出错误
代码中存在以下错误:
1. `exist_ok=true`应该为`exist_ok=True`,即`True`的首字母需要大写。
2. `os.makedirs(os.path.join('..','data'),exist_ok=True)`中括号未闭合,应该在结尾处添加一个右括号`)`。
3. 在最后一行代码中,字符串未闭合,应该在末尾添加一个单引号`'`。
正确的代码如下所示:
```python
import os
# 创建目录
os.makedirs(os.path.join('..', 'data'), exist_ok=True)
# 创建数据文件
data_file = os.path.join('..', 'data', 'house_tiny.csv')
with open(data_file, 'w') as f:
f.write('NumRoom,Ally,Price\n')
f.write('NA,Pave,127500\n')
f.write('2,NA,106000\n')
f.write('4,NA,178100\n')
f.write('NA,NA,140000\n')
```
import type { createI18n } from 'vue-i18n'; export let i18n: ReturnType<typeof createI18n>; type I18nGlobalTranslation = { (key: string): string; (key: string, locale: string): string; (key: string, locale: string, list: unknown[]): string; (key: string, locale: string, named: Record<string, unknown>): string; (key: string, list: unknown[]): string; (key: string, named: Record<string, unknown>): string; }; type I18nTranslationRestParameters = [string, any]; function getKey(namespace: string | undefined, key: string) { if (!namespace) { return key; } if (key.startsWith(namespace)) { return key; } return `${namespace}.${key}`; } export function useI18n(namespace?: string): { t: I18nGlobalTranslation; } { const normalFn = { t: (key: string) => { return getKey(namespace, key); }, }; if (!i18n) { return normalFn; } const { t, ...methods } = i18n.global; const tFn: I18nGlobalTranslation = (key: string, ...arg: any[]) => { if (!key) return ''; if (!key.includes('.') && !namespace) return key; return t(getKey(namespace, key), ...(arg as I18nTranslationRestParameters)); }; return { ...methods, t: tFn, }; } // Why write this function? // Mainly to configure the vscode i18nn ally plugin. This function is only used for routing and menus. Please use useI18n for other places // 为什么要编写此函数? // 主要用于配合vscode i18nn ally插件。此功能仅用于路由和菜单。请在其他地方使用useI18n export const t = (key: string) => key;这段代码报错,帮忙重写
这段代码报错的原因可能是在使用 useI18n 函数时,参数类型不匹配。可以尝试按照下面的方式重写代码:
```typescript
import { createI18n, LocaleMessages } from 'vue-i18n';
const messages: LocaleMessages = {
en: {
// English translations
},
zh: {
// Chinese translations
},
// Add more languages and translations as needed
};
const i18n = createI18n({
locale: 'en',
messages,
});
export function useI18n(namespace?: string) {
const normalFn = {
t: (key: string) => {
return namespace ? `${namespace}.${key}` : key;
},
};
if (!i18n) {
return normalFn;
}
const { t, ...methods } = i18n.global;
const tFn: I18nGlobalTranslation = (
key: string,
...arg: I18nTranslationRestParameters
) => {
if (!key) return '';
if (!key.includes('.') && !namespace) return key;
return t(namespace ? `${namespace}.${key}` : key, ...arg);
};
return {
...methods,
t: tFn,
};
}
// This function is only used for routing and menus. Please use useI18n for other places
export const t = (key: string) => key;
```
注意,这里还需要定义 `I18nGlobalTranslation` 和 `I18nTranslationRestParameters` 类型,具体代码如下:
```typescript
type I18nGlobalTranslation = {
(key: string): string;
(key: string, locale: string): string;
(key: string, locale: string, list: unknown[]): string;
(key: string, locale: string, named: Record<string, unknown>): string;
(key: string, list: unknown[]): string;
(key: string, named: Record<string, unknown>): string;
};
type I18nTranslationRestParameters = [string, ...unknown[]];
```