Python while循环语法错误

我正在学习Python，并在一个简单的while循环上工作时出现语法错误，但找不到原因。下面是我的代码和我得到的错误Python while循环语法错误

products = ['Product 1', 'Product 2', 'Product 3'] 
quote_items = [] 
quote = input("What services are you interesting in? (Press X to quit)") 
while (quote.upper() != 'X'): 
    product_found = products.get(quote) 
    if product_found: 
     quote_items.append(quote) 
    else: 
     print("No such product") 
    quote = input("Anything Else?") 
print(quote_items)

我正在使用NetBeans 8.1来运行这些。下面是我看到的错误后，我在产品类型1：

What servese are you interesting in? (Press X to quit)Product 1 
Traceback (most recent call last): 
File "\\NetBeansProjects\\while_loop.py", line 3, in <module> 
quote = input("What services are you interesting in? (Press X to quit)") 
File "<string>", line 1 
Product 1 
SyntaxError: no viable alternative at input '1'

来源

2016-07-21 user3088202

您是否正在Python 2上运行为Python 3编写的代码？ – user2357112

我想我正在运行3.有没有办法检查？ – user3088202

在附注中，列表没有任何'get'方法：'products.get（quote）'会引发错误 –

在的Python 3

products = ['Product 1', 'Product 2', 'Product 3'] 
quote_items = [] 
quote = input("What services are you interesting in? (Press X to quit)") 
while (quote.upper() != 'X'): 
    product_found = quote in products 
    if product_found: 
     quote_items.append(quote) 
    else: 
     print("No such product") 
    quote = input("Anything Else?") 
print(quote_items)

在的Python 2

products = ['Product 1', 'Product 2', 'Product 3'] 
quote_items = [] 
quote = raw_input("What services are you interesting in? (Press X to quit)") 
while (quote.upper() != 'X'): 
    product_found = quote in products 
    if product_found: 
     quote_items.append(quote) 
    else: 
     print "No such product" 
    quote = raw_input("Anything Else?") 
print quote_items

这是因为列表没有属性 '获得（）' 这样你就可以使用

value in list 将返回一个True或False值

来源

2016-07-21 18:45:56 Spammy23

使用raw_input而不是input。 Python将input评估为纯Python代码。

quote = raw_input("What services are you interesting in? (Press X to quit)")

来源

2016-07-21 18:36:18 Sam

如果他使用Python 3，则不需要。 –

@JohnGordon显然他不是。 – chepner

@chepner如果他真的在使用Python 2，那么我会期望从“产品1”的用户输入中产生一个不同的错误。 –

Python while循环语法错误

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