List Of Python Strip 使い方 Article

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Introduction

Python is a popular programming language used for various applications. One of its built-in functions is strip(), which is used to remove characters from the beginning or end of a string. In this article, we will explore the various uses of the strip() function and how it can be applied to everyday programming tasks.

What is the strip() function?

The strip() function is a built-in function in Python that is used to remove leading and trailing characters from a string. By default, it removes whitespace characters like spaces, tabs, and newlines. However, it can also be used to remove specific characters or a set of characters from the beginning or end of a string.

Using strip() to remove whitespace characters

To remove whitespace characters from a string, you can simply call the strip() function on the string without any arguments. For example:

str1 =" Hello World "

str2 = str1.strip()

print(str2)

This will output "Hello World" without any leading or trailing spaces.

Using strip() to remove specific characters

You can also use the strip() function to remove specific characters from a string. To do this, you need to pass a string argument to the strip() function that contains the characters you want to remove. For example:

str1 ="Hello, World!"

str2 = str1.strip("H!,")

print(str2)

This will output "ello, World" without the characters "H", "!" and ",".

Using strip() in file processing

The strip() function is commonly used in file processing tasks to remove leading or trailing whitespace characters from lines in a file. For example, consider the following code:

with open("file.txt", "r") as file:

for line in file:

print(line.strip())

This code will open the file "file.txt" and print each line in the file without any leading or trailing whitespace characters.

Conclusion

In conclusion, the strip() function is a powerful tool in Python that can be used for various programming tasks. It can be used to remove leading or trailing whitespace characters, specific characters, or a set of characters from a string. It is commonly used in file processing tasks to remove leading or trailing whitespace characters from lines in a file. As a beginner in Python programming, understanding the strip() function is an essential skill that will help you in your programming journey.