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This article is about what Python does to convert datatypes and what they do. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

I. the role of converting data types (necessity)

Let's first use a question to explain why we should learn to convert data types.

Question: input () receives the data entered by the user as a string. If the user enters 8, what should I do if I want to get an integer?

Answer: you can convert the data type of the data, that is, convert the string to an integer

II. Functions for converting data types

In Python learning, we can convert with the function of converting data types in Python, but there are many of these functions, so we choose important knowledge points to explain, but I will highlight all the more important ones, that is to say, we don't have to remember all the functions in the table, we only need to remember the highlighted functions, and then knock the highlighted functions several times to get familiar with the code. This is the basis of Python. Learning programming suggests that we should keep the basics solid.

Third, quickly experience data type conversion

General steps:

1. Input enter a number

two。 Detect input data type str

3. Int () converts book data types

4. Detect whether the conversion is successful

# 1. Input enter a number num = input ('Please enter a number:') print (num) # 2. Detect input data type strprint (type (num)) # return result str string data type # 3. Int () convert book data type # 4. Check whether print (type (int (num) # # returns the result int integer data type

Display data pictures in the background:

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