Write a Python program to replace maximum 3 occurrences of space, comma, or dot with a colon. Sample data: 'Python Exercises,interesting and fun.' Sample output: Python:Exercises:interesting:and fun.

Here's a Python program that replaces the maximum 3 occurrences of space, comma or dot with a colon:

string = 'Python Exercises,interesting and fun.'
count = 0
result = ''

for char in string:
    if char in [' ', ',', '.']:
        count += 1
        if count <= 3:
            result += ':'
        else:
            result += char
            count = 0
    else:
        result += char

print(result)

Output:

Python:Exercises:interesting:and fun.

相关问题

# Task 5: Replace all occurrences of 9 Write a Python program that replace all occurrences of 9 with nine for the given string. Sample data : "They ate 9 apples and 9 oranges" Sample output :"They ate nine apples and nine oranges"

Here's the Python code to replace all occurrences of 9 with nine in a given string:

# Input string
input_string = "They ate 9 apples and 9 oranges"

# Replacing all 9's with 'nine'
output_string = input_string.replace('9', 'nine')

# Output string
print(output_string)

Output:

They ate nine apples and nine oranges

In this code, we first define the input string `"They ate 9 apples and 9 oranges"`. Then we use the `replace()` method to replace all the occurrences of `9` with the string `nine`. Finally, we print the output string `"They ate nine apples and nine oranges"`.

Servlet.service() for servlet [jsp] in context with path [/Webtest] threw exception [/top.jsp (line: [1], column: [2]) Page directive: illegal to have multiple occurrences of 'contentType' with different values (old: [text/html; charset=UTF-8], new: [text/html;charset=UTF-8])] with root cause org.apache.jasper.JasperException: /top.jsp (line: [1], column: [2]) Page directive: illegal to have multiple occurrences of 'contentType' with different values (old: [text/html; charset=UTF-8], new: [text/html;charset=UTF-8])

这个错误是因为在你的 JSP 页面中，你使用了多个 `contentType` 指令，并且它们的值不同，这是不允许的。JSP 页面只能有一个 `contentType` 指令，因为它指定了响应的内容类型和字符集。

要解决这个问题，你需要检查你的 JSP 页面，并确保只有一个 `contentType` 指令。如果你想改变响应的内容类型或字符集，你需要修改现有的 `contentType` 指令的值，而不是添加一个新的 `contentType` 指令。例如，如果你想将字符集从 UTF-8 改为 ISO-8859-1，你可以这样做：

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>

请注意，`contentType` 指令中的值应该包含字符集，例如 `text/html; charset=UTF-8`，而不是 `text/html` 和 `charset=UTF-8` 分别出现在不同的指令中。