用程序读出这个in.txt中a-z,A-Z分别出现了多少次数,并打印
时间: 2024-05-16 18:12:05 浏览: 4
出来。
好的,这是一个很简单的问题。以下是代码:
```python
with open('in.txt', 'r') as f:
content = f.read()
count_lower = 0
count_upper = 0
for char in content:
if char.islower():
count_lower += 1
elif char.isupper():
count_upper += 1
print("小写字母出现次数:", count_lower)
print("大写字母出现次数:", count_upper)
```
希望能帮到你!
相关问题
java编程实现:将文件out.txt内容复制到文件test.txt中,并将test.txt的内容逐行读出输出到控制台;其中test.txt采用UTF-8编码,out.txt采用GBK编码。
您好!这个问题是一个关于Java编程的技术问题,我可以为您回答。该问题的解决方法如下:
```java
import java.io.*;
public class Main {
public static void main(String[] args) throws Exception {
String inFileName = "out.txt";
String outFileName = "test.txt";
// 将out.txt的内容复制到test.txt
BufferedReader in = new BufferedReader(new InputStreamReader(new FileInputStream(inFileName), "GBK"));
BufferedWriter out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(outFileName), "UTF-8"));
String line;
while ((line = in.readLine()) != null) {
out.write(line);
out.newLine();
}
in.close();
out.close();
// 将test.txt的内容逐行读出输出到控制台
BufferedReader test = new BufferedReader(new InputStreamReader(new FileInputStream(outFileName), "UTF-8"));
while ((line = test.readLine()) != null) {
System.out.println(line);
}
test.close();
}
}
```
以上代码中,我们先使用GBK编码的InputStreamReader读取out.txt文件的内容,并使用UTF-8编码的OutputStreamWriter将其写入test.txt文件中,然后使用UTF-8编码的InputStreamReader读取test.txt文件的内容,并逐行输出到控制台。
编程实现:将文件out.txt内容复制到文件test.txt中,并将test.txt的内容逐行读出输出到控制台;其中test.txt采用UTF-8编码,out.txt采用GBK编码。
可以使用以下代码实现这个功能:
```python
import codecs
# 复制 out.txt 到 test.txt
with codecs.open('out.txt', 'r', 'gbk') as f_in, \
codecs.open('test.txt', 'w', 'utf-8') as f_out:
f_out.write(f_in.read())
# 逐行读取 test.txt 并输出到控制台
with codecs.open('test.txt', 'r', 'utf-8') as f:
for line in f:
print(line.strip())
```
请问还有其他方面需要帮助吗?
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