= exclude_file_list: file_delete(os.path.join(key, filename)) @ops_conn_operation def copy_file(src_path='', dest_path='', ops_conn=None): """Copy a file. The value of src_path and dest_path can be in the format of filename, flash:/filename, and flash:/xxx/filename. ""...
from dataclasses import dataclass, asdict from copy import deepcopy @dataclass class InventoryItem: name: str tags: list[str] def deep_copy_inventory(item): return InventoryItem(**deepcopy(asdict(item))) item_original = InventoryItem('Laptop', ['electronics', 'sale']) item_copied = deep...
fromblacksheepimportApplicationimportuvicorn# 和 FastAPI 一样,先创建一个 appapp = Application()# 通过装饰器的方式注册路由# 如果 methods 参数不指定,默认为 ["GET"],表示只接收 GET 请求@app.route("/index", methods=["GET"])asyncdefindex():return"Hello World"# 在 Windows 中必须加上 if __nam...
class Stack(object): # 初始化栈为空列表 def __init__(self): self.items = [] # 判断栈是否为空,返回布尔值 def is_empty(self): return self.items == [] # 返回栈顶元素 def peek(self): return self.items[len(self.items) - 1] # 返回栈的大小 def size(self): return len(self.item...
_source_exclude要从返回的_source字段中排除的字段列表,返回的所有字段中,排除哪些字段。 _source_include从_source字段中提取和返回的字段列表,跟_source差不多。 print(es.search(index='py3', doc_type='doc', body={"query": {"match":{"age":20}}}))# 一般查询print(es.search(index='py3', do...
drinks.select_dtypes(exclude=['int64', 'float64']).head() Trick 6 将字符型的列转换为数值型 df=pd.DataFrame({'a':['1.2','5.6'], 'b':['3.5', '-']}) df.dtypes [Out]: a object b object dtype: object df.astype({'a':'float64'}).dtypes ## 字符型转数值型 [Out]: a float...
for item in sequence: statments 这里的sequence为可迭代的序列(字符串,列表,元组),而item可以理解为该序列里的每个元素(item名称可以任意选取),statements则是循环体(将要循环的程序部分)。 举例如下: #例1 >>> for letter in 'Python': ... print letter ... P y t h o n #例2 >>> sum = 0 ...
(item1, item2, item3, item4)Assertions.assertThat(bools).containsOnly(false);Assertions.assertThat(bools).doesNotContain(true);Assertions.assertThat(bools).allMatch(b -> !b);Assertions.assertThat(bools).noneMatch(b -> b); 或者您甚至可以使用普通Java流来表达您的期望: final List<Boolean> bools...
busdaycalendar``,only used when custom frequency strings are passed. The defaultvalue None is equivalent to 'Mon Tue Wed Thu Fri'.holidays : list-like or None, default NoneDates to exclude from the set of valid business days, passed to``numpy.busdaycalendar``, only used when custom ...
nbsp;modules.# Exclude modules as well.BLACKLIST ...