我无法让命令cmp()工作.
这是代码:
a = [1,2,3]
b = [1,2,3]
c = cmp(a,b)
print (c)
我收到错误:
Traceback (most recent call last):
File "G:\Dropbox\Code\a = [1,2,3]", line 3, in <module>
c = cmp(a,b)
NameError: name 'cmp' is not defined
[Finished in 0.1s]
我有一个不断变化的变量,它是一个浮点(例如:2.003)
我想自动将其更改为只有2位小数.