How to use format string? Summarize the usage of formatted string examples

The struct in python is mainly used to process C structure data. When reading, it is first converted to Python's string type, and then converted to Python's structured type, such as tuple. Generally, the input channels come from files or network binary streams. 1.struct.pack() and struct.unpack() During the conversion process, a format string is mainly used to specify the conversion method and format. Let’s talk about the main methods: 1.1 struct.pack(fmt,v1,v2,...) Pack the values ​​of v1, v2 and other parameters in one layer. The packaging method is specified by fmt. The wrapped parameters must strictly conform to fmt. Finally, a wrapped string is returned. 1.2 struct.unpack(fmt,string) As the name suggests, unpack. For example, pack packaging,

1. 10 recommended articles about the pack() function

##Introduction: struct in python is mainly used to process C structure data. When reading, it is first converted to Python's string type, and then converted to Python's structured type, such as tuple ( tuple) or something~. Generally, the input channels come from files or network binary streams. 1.struct.pack() and struct.unpack()    In the conversion process, a format string (format...

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10 recommended articles about formatting strings

##Introduction:    The struct in python is mainly used to process C structure data. When reading, it is first converted to Python's string type, and then converted to Python's structured type, such as tuple (tuple) and so on~ for general input. The channel comes from the binary stream of file or network. 1.struct.pack() and struct.unpack()    In the conversion process, a format string (format...

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10 recommended articles about the unpack() function

##Introduction: struct in python is mainly used to process C structure data. When reading, it is first converted to Python's string type, and then converted to Python's structured type, such as tuple (tuple). ) or something~. Generally, the input channel comes from the binary stream of file or network. 1.struct.pack() and struct.unpack()    In the conversion process, a format is mainly used. String (format...

4. 10 recommended articles about the pack() function

Introduction: struct in python is mainly used to process C structure data. When reading, it is first converted to Python's string type, and then converted to Python's structured data. Type, such as tuple. The general input channel comes from the binary stream of file or network. 1.struct.pack() and struct.unpack()    In the conversion process. , mainly using a format string (format...

5. Python Security: New String Format Vulnerability Analysis and Solutions

Introduction: Recently a python string formatting vulnerability caught my attention. Today I will talk about a vulnerability introduced in Python. The security vulnerabilities of the new syntax of formatted strings were analyzed in depth, and

6. Introduction to the usage of PHP formatted string function examples

Introduction: In PHP, there are many ways to format strings. According to the formatting type, it can be divided into string formatting and numeric character formatting. Numeric character formatting is the most commonly used.

7. How to use the format function for formatting strings

Introduction: This article introduces how to use the format function of formatted strings

8. How to use python formatted strings

Introduction: This article explains in detail how to use Python formatted strings

9. Learn the use of DateTime.ParseExact in C# (picture)

Introduction: I do I did a test, now = 2015/3/7, so there is no problem using "yyyy/M/d" in the format string, but there is a problem, what if today is not the 7th, nor is it March? If it's October, what about the 17th? After testing, it turns out that this is compatible. The format string using "yyyy/M/d" is still available and does not need to be changed to "yyyy/MM/dd". This way the problem is much simpler to solve. Reference: https://msdn.microsoft.com/en-us

10. Summary of common formatting string methods in Python [Percent sign and format method]

Introduction: This article mainly introduces the common formatting string methods in Python, and analyzes hundreds of examples in the form of examples. For specific tips on using the semicolon method and the format function for string formatting, friends who need it can refer to

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