在python中打印文本和变量时如何去掉空格 [英] How to get rid of spaces when printing text and variables in python

问题描述

我想让用户输入他的姓名/年龄，然后输出十年后的姓名和年龄.我是这样设置的:

 print("让我们看看你 10 年后的年龄.\n")name = input("姓名:")print("\n现在输入你的年龄,",name,"\n")年龄 = 整数(输入(年龄:"))年龄 = 年龄 + 10打印(\n"，姓名，你会"，ageinten，十年后.")input("按回车键关闭")

输出是这样的:

 让我们看看你 10 年后的年龄.名称:示例现在输入您的年龄，例如年龄:20例如，十年后您将 30 岁.按 Enter 关闭

但我希望它没有示例前的空格:

 例如，十年后您将 30 岁.按 Enter 关闭

有人可以帮忙解决这个问题吗?

解决方案

更好地使用 字符串格式:

print('\n{} 你将在十年后成为 {}.'.format(name, ageinten))

或使用 sep=''，但是您必须在字符串中添加尾随和前导空格.:

print("\n", name, " you will be ", ageinten, " in十年.", sep='')

sep 的默认值是一个空格，这就是为什么你得到一个空格.

演示:

<预><代码>>>>名称 = '示例'>>>年龄='20'>>>print("\n",name," 十年后你将成为 ",ageinten,", sep='')例如，十年后您将 20 岁.>>>print('\n{} 你将在十年后成为 {}.'.format(name, ageinten))例如，十年后您将 20 岁.

I want to make it so the user enters his name/age and it outputs the name and age in ten years. I have set it out like this:

    print("Let's find out how old you will be in 10 Years.\n")
    name = input("name: ")

    print("\nNow enter your age,",name,"\n")
    age = int(input("age: "))

    ageinten = age + 10

    print("\n",name,"you will be",ageinten,"in ten years.")

    input("Press Enter to close")

The output is like this:

    Let's find out how old you will be in 10 Years.

    name: Example

    Now enter your age, Example 

    age: 20

     Example you will be 30 in ten years.
    Press Enter to close

But I want it without the space before example:

    Example you will be 30 in ten years.
    Press Enter to close

Can anyone help with this problem?

解决方案

Better use string formatting:

print('\n{} you will be {} in ten years.'.format(name, ageinten))

or use sep='', but then you'd have to add trailing and leading spaces to the strings.:

print("\n", name, " you will be ", ageinten, " in ten years.", sep='')

Default value of sep is a space, that's why you're getting a space.

Demo:

>>> name = 'Example'
>>> ageinten =  '20'
>>> print("\n",name," you will be ",ageinten," in ten years.", sep='')

Example you will be 20 in ten years.
>>> print('\n{} you will be {} in ten years.'.format(name, ageinten))

Example you will be 20 in ten years.

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