Python：如何将带有整数值的变量相加？
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Python: How do I add variables with integer values together?
提问by Amanda
I'm new to Python. How do I add variables with integer values together?
我是 Python 的新手。如何将具有整数值的变量相加？
balance = 1000
deposit = 50
balance + deposit
print "Balance: " + str(balance)
I want balance and deposit to add together to it 1050, but I'm just getting 1000. I know I'm clearly not formatting it (balance + deposit) correctly, but I can't figure out the right way to format it.
我希望余额和存款加起来为 1050，但我刚得到 1000。我知道我显然没有正确格式化它（余额 + 存款），但我无法弄清楚格式化它的正确方法。
Thanks.
谢谢。
回答by stybl
Doing this:
这样做：
balance + deposit
Does the addition and returns the result (1050). However, that result isn't stored anywhere. You need to assign it to a variable:
进行加法并返回结果 (1050)。但是，该结果不会存储在任何地方。您需要将其分配给一个变量：
total = balance + deposit
Or, if you want to increment balanceinstead of using a new variable, you can use the +=operator:
或者，如果您想增加balance而不是使用新变量，您可以使用+=运算符：
balance += deposit
This is equivalent to doing:
这相当于做：
balance = balance + deposit
回答by The_Outsider
You need to assign the sum to a variable before printing.
您需要在打印之前将总和分配给一个变量。
balance = 1000
deposit = 50
total = balance + deposit
print "Balance: " + str(total)
回答by Marco Simone
you need to use the assignment operator: balance = balance + deposit OR balance += deposit
您需要使用赋值运算符： balance = balance + deposit OR balance += deposit
