dict1中“男”和“女”两个值的个数可以通过遍历字典并记录计数来实现。dict1 = {"001": "男", "002": "男", "003": "女", "004": "男"} a = 0 b = 0 for i in dict1:
时间: 2024-06-02 16:04:51 浏览: 14
可以通过遍历字典并记录计数的方式来实现对“男”和“女”两个值的个数统计。
下面是实现代码:
dict1 = {"001": "男", "002": "男", "003": "女", "004": "男"}
a = 0
b = 0
for i in dict1:
if dict1[i] == "男":
a += 1
elif dict1[i] == "女":
b += 1
print("男性个数为:", a)
print("女性个数为:", b)
相关问题
统计字典 dict1={"001":"男","002":"男","003":"女","004":"男"} 中“男”和“女”两个值的个数
dict1中“男”和“女”两个值的个数可以通过遍历字典并记录计数来实现。具体的代码实现如下:
```
dict1 = {"001": "男", "002": "男", "003": "女", "004": "男"}
male_count = 0
female_count = 0
for value in dict1.values():
if value == "男":
male_count += 1
elif value == "女":
female_count += 1
print("男性个数为:", male_count)
print("女性个数为:", female_count)
```
运行结果为:
```
男性个数为: 3
女性个数为: 1
```
输入n个字符建立单链表 删除表中重复元素并修改计数 实现单链表字符统计
首先,我们需要定义一个单链表的数据结构,包括节点的定义和链表的定义。节点定义如下:
```python
class Node:
def __init__(self, data):
self.data = data
self.count = 1
self.next = None
```
链表定义如下:
```python
class LinkedList:
def __init__(self):
self.head = None
```
接下来,我们可以实现建立单链表的函数:
```python
def build_linked_list(n, characters):
linked_list = LinkedList()
for i in range(n):
new_node = Node(characters[i])
if linked_list.head is None:
linked_list.head = new_node
else:
current = linked_list.head
while current.next is not None:
current = current.next
current.next = new_node
return linked_list
```
然后,我们可以实现删除重复元素的函数,并修改节点的计数:
```python
def remove_duplicates(linked_list):
if linked_list.head is None:
return linked_list
current = linked_list.head
while current is not None:
runner = current
while runner.next is not None:
if runner.next.data == current.data:
runner.next = runner.next.next
current.count += 1
else:
runner = runner.next
current = current.next
return linked_list
```
最后,我们可以实现统计单链表中每个字符的个数的函数:
```python
def count_characters(linked_list):
if linked_list.head is None:
return {}
count_dict = {}
current = linked_list.head
while current is not None:
count_dict[current.data] = current.count
current = current.next
return count_dict
```
通过以上的函数,我们就可以建立单链表、删除重复元素并修改计数,并实现单链表字符统计。以下是一个完整的示例代码:
```python
class Node:
def __init__(self, data):
self.data = data
self.count = 1
self.next = None
class LinkedList:
def __init__(self):
self.head = None
def build_linked_list(n, characters):
linked_list = LinkedList()
for i in range(n):
new_node = Node(characters[i])
if linked_list.head is None:
linked_list.head = new_node
else:
current = linked_list.head
while current.next is not None:
current = current.next
current.next = new_node
return linked_list
def remove_duplicates(linked_list):
if linked_list.head is None:
return linked_list
current = linked_list.head
while current is not None:
runner = current
while runner.next is not None:
if runner.next.data == current.data:
runner.next = runner.next.next
current.count += 1
else:
runner = runner.next
current = current.next
return linked_list
def count_characters(linked_list):
if linked_list.head is None:
return {}
count_dict = {}
current = linked_list.head
while current is not None:
count_dict[current.data] = current.count
current = current.next
return count_dict
n = int(input("输入字符个数:"))
characters = []
for i in range(n):
character = input("输入第{}个字符:".format(i+1))
characters.append(character)
linked_list = build_linked_list(n, characters)
linked_list = remove_duplicates(linked_list)
count_dict = count_characters(linked_list)
print(count_dict)
```
这样,我们就能够实现输入n个字符,建立单链表,删除表中重复元素并修改计数,并实现单链表字符统计。
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