pop()removes and returns the last element from the list. However, we can also specify the index of the element to be removed. So, here we will use the index number of the first element to remove it.
Below is a basic example of using theremove()function. The function will remove the item with the value3from the list. Theremove()function will only remove the first occurrence of an item in a list if there are duplicates in the same list. In the following example, theremove()function ...
# 'dog' is removedanimals.remove('dog') # Updated animals listprint('Updated animals list: ', animals) Run Code Output Updated animals list: ['cat', 'dog', 'guinea pig', 'dog'] Here, only the first occurrence of element'dog'is removed from the list. Example 3: Deleting element tha...
fruits = ['banana', 'orange', 'mango', 'lemon', 'banana']fruits.remove('banana')print(fruits) # ['orange', 'mango', 'lemon', 'banana'] - this method removes the first occurrence of the item in the listfruits.remove('lemon')print(fruits) # ['orange', 'mango', 'banana'] 使用...
| | remove(...) | L.remove(value) -> None -- remove first occurrence of val...
print(list) [1, 2, 3, 4, 'a'] #显示结果 1. 2. 3. 4. 5. insert 4. pop 描述:删除队列中最后一个对象 语法: def pop(self, index=None): # real signature unknown; restored from __doc__ """ L.pop([index]) -> item -- remove and return item at index (default last). ...
1>>>help(list.remove)2Help on method_descriptor:34remove(...)5L.remove(value) --remove first occurrence of value. #移除某个值得第一个匹配项6Raises ValueErrorifthe valueisnotpresent.78>>> a =["test","test","demo"]9>>> a.remove("test")10>>>a11['test','demo']12>>> a.remove...
""" Remove and return the leftmost element. """ pass (9)def remove(self, value): 删除指定元素 # real signature unknown; restored from __doc__ """ D.remove(value) -- remove first occurrence of value. """ pass (10)def reverse(self): 翻转 ...
答:Python 中主要有8种数据类型:number(数字)、string(字符串)、list(列表)、tuple(元组)、dict(字典)、set(集合)、Boolean(布尔值)、None(空值)。 6、说说Python中xrange和range的区别? 答:range()和xrange()都是在循环中使用,输出结果一样。 range()返回的是一个list对象,而xrange返回的是一个生成器对象...
= OK: return ret if slave: # If the standby main control board exists, delete files from it. for slave_path in home_path_slave: ret = file_delete(file_path=os.path.join(slave_path, file_name)) if ret != OK: return ret return OK def del_list_file(files_list): """ Deleted...