s.add("11") 这是一个字符串print(s) 结果就是多了一个数字11和一个字符串"11"C:\python35\python3.exe D:/pyproject/day12列表/set-集合.py {'11', 11,'gouguoqi','sb'} 2. clear(self, *args, **kwargs) Remove all elements from this set element [ˈelɪmənt] 元素 从这个集合...
| Add an element to a set. | | This has no effect if the element is already present. | | clear(...) | Remove all elements from this set. | | copy(...) | Return a shallow copy of a set. | | difference(...) | Return the difference of two or more sets as a new set. ...
1.add 向集合中添加元素 1 2 3 4 >>> s = {1, 2, 3, 4, 5, 6} >>> s.add("s") >>> s {1, 2, 3, 4, 5, 6, 's'}2.clear 清空集合 1 2 3 4 >>> s = {1, 2, 3, 4, 5, 6} >>> s.clear() >>> s set()3.copy 返回集合的浅拷贝 ...
.add(element):向集合添加单个元素。 my_set.add(6) # 添加元素 6 到集合 删除元素 .remove(element):从集合中删除指定的元素。如果元素不存在,则抛出 KeyError。 .discard(element):从集合中删除指定的元素,如果元素不存在,不会抛出错误。 my_set.remove(2) # 删除元素 2 my_set.discard(7) # 尝试删除...
1、自动化office，包括对excel、word、ppt、email、pdf等常用办公场景的操作，python都有对应的工具库，...
· pop()-删除值并返回已删除的值· popitem()-获取键值对并返回键和值的元组· clear()-清除整个字典#Deleting key, value pairs in a dictionarylang_dict = {'First': 'Python','Second': 'Java', 'Third': 'Ruby'}a = lang_dict.pop('Third') #pop elementprint('Value:', a)print...
>importhashlib#导入模块6>>> hash =hashlib.md5()#加密方法7>>> hash.update("Hello")#加密的字符串8>>> hash.update("It's me")9>>>hash.digest()#以二进制格式10']\xde\xb4{/\x92Z\xd0\xbf$\x9cR\xe3Br\x8a'11>>>hash.hexdigest()#十六进制12'5ddeb47b2f925ad0bf249c52e342728a'...
import matplotlib.pyplot as pltfrom matplotlib_venn import venn2# 创建图表venn2(subsets=(10, 5, 2), set_labels=('Group A', 'Group B'))# 显示plt.show() 使用matplotlib_venn库进行绘制,结果如下。20.圆环图 圆环图,本质上就是一个饼图,中间切掉了一个区域。
[:port] # http://hostname[:port] # 2) Do not add a trailing slash at the end of file server path. FILE_SERVER = 'sftp://sftpuser:Pwd123@10.1.3.2' # Remote file paths: # 1) The path may include directory name and file name. # 2) If file name is not specified, indicate ...
price# instance methoddef make_coffee(self):print(f'Making {self.specialty}for ${self.coffee_price}')# static method @staticmethoddef check_weather():print('Its sunny') # class method@classmethoddef change_specialty(cls, specialty):cls.specialty = specialtyprint(f'Specialty changed to{spec...