a nice string representation of the object. | If the argument is a string, the return value is the same object. | | Method resolution order: | str | basestring | object | | Methods defined here: | | __add__(...)
Return the lowest index in the string where substring sub is found, such that sub is contained in the range [start, end]. Optional arguments start and end are interpreted as in slice notation. Return -1 if sub is not found. str.format(format_string, *args, **kwargs) Perform a string...
54 55 """ 56 return (sep or ' ').join(x.capitalize() for x in s.split(sep)) 57 58 59 # Construct a translation string 60 _idmapL = None 61 def maketrans(fromstr, tostr): 62 """maketrans(frm, to) -> string 63 64 Return a translation table (a string of 256 bytes long) ...
item_counts =defaultdict(int)# 如果键不存在,默认创建一个整数 0 foriteminitem_stream: # 如果 item 是新键,item_counts[item] 会自动变为 0,然后 +1 item_counts[item]+=1 print(f" 项目计数 (defaultdict(int)): { <!-- -->item_counts}") # 项目计数 (defaultdict(int)): defaultdict(<clas...
| Return S centered in a string of length width. Padding is | done using the specified fill character (default is a space) | | count(...) | S.count(sub[, start[, end]]) -> int | | Return the number of non-overlapping occurrences of substring sub in ...
[, end]]) -> int Return the number of non-overlapping occurrences of substring sub in string S[start:end]. Optional arguments start and end are interpreted as in slice notation. """ return 0 def decode(self, encoding=None, errors=None): """ 解码 """ """ S.decode([encoding[,...
与.find()用法基本一致 但是index方法查找不到子串会报错(ValueError: substring not found) .strip() #删除字符串两边的空格 str=" We can probably do anything we set our minds to. " print(str) print(str.strip()) # 对比一下 可以发现 两边空格已删除 ...
While some of the examples you see below may not be WTFs in the truest sense, but they'll reveal some of the interesting parts of Python that you might be unaware of. I find it a nice way to learn the internals of a programming language, and I believe that you'll find it ...
In [4]: 1ina Out[4]: True In [5]: 4notina Out[5]: True 序列类型转换 In [6]: list('Hello') Out[6]: ['H', 'e', 'l', 'l', 'o'] In [7]: tuple('Hello') Out[7]: ('H', 'e', 'l', 'l', 'o') In [9]: ...
aws_batch_kill_stale_jobs.sh - finds and kills AWS Batch jobs that are older than N hours in a given queue aws_cloudfront_distribution_for_origin.sh - returns the AWS CloudFront ARN of the distribution which serves origins containing a given substring. Useful for quickly finding the CloudFront...