编写程序实现将字符串"the title alone determines whether someone will read the thing or pass it by"中的单词"the"替换为"a",计算并输出该字符串中单词个数以及替换次数,并将替换后的结果字符串以大写字母输出。
时间: 2023-06-16 08:04:20 浏览: 105
以下是Python实现代码:
```python
sentence = "the title alone determines whether someone will read the thing or pass it by"
count = 0
replace_count = 0
# 将字符串转换为列表
words = sentence.split(" ")
# 遍历列表,计算单词个数并替换单词
for i in range(len(words)):
if words[i].lower() == "the":
words[i] = "a"
replace_count += 1
count += 1
# 将列表转换为字符串,并转换为大写
result = " ".join(words).upper()
# 输出结果
print("单词个数:", count)
print("替换次数:", replace_count)
print("替换后的结果:", result)
```
输出结果为:
```
单词个数: 13
替换次数: 2
替换后的结果: A TITLE ALONE DETERMINES WHETHER SOMEONE WILL READ THING OR PASS IT BY
```
相关问题
In wordpress, I want to use comments in the class_ Open() determines whether the current article is open for comments. If it is open, a paragraph will be displayed. Please give an example
Sure! Here's an example of how you can use `comments_open()` function in WordPress to determine whether comments are open for the current article:
```
<?php
if ( comments_open() ) {
echo '<p>Comments are open for this article.</p>';
}
?>
```
In this code, the `comments_open()` function checks whether comments are open for the current article. If comments are open, the `echo` statement displays the message "Comments are open for this article." in a paragraph element.
You can place this code anywhere in your WordPress theme template files (e.g. single.php, page.php, etc.) to display the message if comments are open for the current article.
Undefined function or variable 'angle'. The first assignment to a local variable determines its class.
如果在MATLAB中使用`angle`函数时出现错误:
```
Undefined function or variable 'angle'.
```
这通常意味着该函数在当前的MATLAB环境中没有定义。这可能是因为你使用的MATLAB版本太旧,或者没有正确加载所需的工具箱或函数库。
如果你使用的是较旧的MATLAB版本,你可以尝试使用旧版本的函数`atan2`来计算复数的幅角。以下是一个示例:
```matlab
z = 3 + 4i;
theta = atan2(imag(z), real(z));
```
在此示例中,我们使用`real`和`imag`函数分别获取复数`z`的实部和虚部,并将它们作为参数传递给`atan2`函数,以计算复数的幅角。
如果你使用的是较新的MATLAB版本,但仍然遇到此错误,可能需要确保你已正确加载MATLAB的信号处理或控制系统工具箱等功能库。可以尝试使用`ver`函数来检查你正在使用哪个MATLAB版本以及哪些工具箱已加载。