How to enter a number from the keyboard in Python

Get numbers from the keyboard: 1. Import the input module; 2. Use the input() function to prompt the user for input and return a string; 3. Convert the string to a number, such as using the int() function.

How to enter a number from the keyboard

Entering a number from the keyboard is a simple and common method in Python operate. Here's how to do it:

1. Import the input module

Use Python's built-in input module to get keyboard input. First, import the module using the import statement:

<code class="python">import input</code>

2. Call the input function

input Function is used to read user input from the keyboard and return it as a string. To enter a number, specify a prompt message within parentheses that prompts the user for input:

<code class="python">num = input("请输入一个数字：")</code>

3. Convert input to a number

from input Strings returned by functions must be converted to numbers in order to perform mathematical operations. Convert a string to an integer using the int() function:

<code class="python">num = int(num)</code>

Now the variable num will store the number entered by the user which can be used for mathematical operations or further deal with.

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