摘要:
```
search ⇒ find something anywhere in the string and return a match object.
match ⇒ find something at the beginning of the string and return a match object. # example code:
string_with_newlines = "... 阅读全文
摘要:
```
########
>>>[3] in [1,2,3,4]
False
>>>3 in [1,2,3,4]
True ########
x = (y = z + 1) 在Python中是非法的。
x = y = z + 1 这种赋值方式可称为 连续赋值、批量赋值、多元赋值、多变量赋值等。 ########
模拟 sorted的函数 def Sorted(v):
t = v[::... 阅读全文