Question

为什么:语法不适用于linux

在MacOS上

→ python3
Python 3.6.3 (default, Oct  4 2017, 06:09:38) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.37)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> x : str = "hello"
>>>

在Linux上

→ python3
Python 3.5.3 (default, Jan 19 2017, 14:11:04) 
[GCC 6.3.0 20170118] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> x : str = "hello"
  File "<stdin>", line 1
    x : str = "hello"
      ^
SyntaxError: invalid syntax
>>>

Answer 1

这是python版本的问题。尝试使用linux中的3.6。

Answer 2

它导致了这个版本的python。在Linux上也更新到3.6。检查发行说明

Whats new in 3.6

python3变量类型声明语法错误

2 个答案: