python函数示例_使用Python中的示例的input()函数
python函數示例
Python input()函數 (Python input() function)
input() function is a library function, it is used to get the user input, it shows given message on the console and wait for the input and returns input value in string format.
input()函數是一個庫函數,用于獲取用戶輸入,它在控制臺上顯示給定的消息并等待輸入,并以字符串格式返回輸入值。
Syntax:
句法:
input(prompt)Parameter(s): promot – a string value/message that will display on the console.
參數: promot –將在控制臺上顯示的字符串值/消息。
Return value: str – it returns user input in string format.
返回值: str –以字符串格式返回用戶輸入。
Example:
例:
Input:text = input("Input any text: ")# if user input is "Hello world!"print("The value is: ", text)Output:Input any text: Hello world!Example 1: Input a string and print it and its type
示例1:輸入一個字符串并打印它及其類型
# python code to demonstrate example # of input() function# user input text = input("Input any text: ")# printing value print("The value is: ", text)# printing type print("return type is: ", type(text))Output
輸出量
Input any text: Hello world! The value is: Hello world! return type is: <class 'str'>Example 2: Input different of types of values and print them along with their types
示例2:輸入不同類型的值,并將其與它們的類型一起打印
# python code to demonstrate example # of input() function# input 1 input1 = input("Enter input 1: ") print("type of input1 : ", type(input1)) print("value of input1: ", input1)# input 2 input2 = input("Enter input 2: ") print("type of input2 : ", type(input2)) print("value of input2: ", input2)# input 3 input3 = input("Enter input 3: ") print("type of input3 : ", type(input3)) print("value of input3: ", input3)Output
輸出量
Enter input 1: 12345 type of input1 : <class 'str'> value of input1: 12345 Enter input 2: 123.45 type of input2 : <class 'str'> value of input2: 123.45 Enter input 3: Hello [email?protected]#$ type of input3 : <class 'str'> value of input3: Hello [email?protected]#$輸入整數和浮點值 (Input integer and float values)
There is no direct function that can be used to take input in either in an integer value or in a float value.
沒有直接函數可用于以整數值或浮點值進行輸入。
input() function takes an input from the user of any type like integer, float, string but returns all values in string format. If we need values in an integer or float types, we need to convert them.
input()函數從用戶獲取任何類型的輸入,例如整數,浮點數,字符串,但以字符串格式返回所有值。 如果我們需要整數或浮點類型的值,則需要對其進行轉換。
To convert input in an integer, we use int() function.
為了將輸入轉換為整數,我們使用int()函數 。
To convert input in a float, we use float() function.
為了將輸入轉換為浮點數,我們使用float()函數 。
Example 3: Python code to input integer and float values
示例3:用于輸入整數和浮點值的Python代碼
# python code to demonstrate example # of input() function# input an integer value num = int(input("Enter an integer value: ")) print("type of num: ", type(num)) print("value of num: ", num)# input a float value num = float(input("Enter a float value: ")) print("type of num: ", type(num)) print("value of num: ", num)Output
輸出量
Enter an integer value: 12345 type of num: <class 'int'> value of num: 12345 Enter a float value: 123.45 type of num: <class 'float'> value of num: 123.45翻譯自: https://www.includehelp.com/python/input-function-with-example.aspx
python函數示例
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