Python内置函数
本节介绍了 Python3 中的内置函数以及调试的两种方法。
| 内置函数 | ||||
|---|---|---|---|---|
| abs() | dict() | help() | min() | setattr() |
| all() | dir() | hex() | next() | slice() |
| any() | divmod() | id() | object() | sorted() |
| ascii() | enumerate() | input() | oct() | staticmethod() |
| bin() | eval() | int() | open() | str() |
| bool() | exec() | isinstance() | ord() | sum() |
| bytearray() | filter() | issubclass() | pow() | super() |
| bytes() | float() | iter() | print() | tuple() |
| callable() | format() | len() | property() | type() |
| chr() | frozenset() | list() | range() | vars() |
| classmethod() | getattr() | locals() | repr() | zip() |
| compile() | globals() | map() | reversed() | __import__() |
| complex() | hasattr() | max() | round() | |
| delattr() | hash() | memoryview() | set() |
Python 调试方法
1、print
print('here')
# 可以发现某段逻辑是否执行
# 打印出变量的内容
2、assert
assert false, 'blabla'
# 如果条件不成立，则打印出 'blabla' 并抛出AssertionError异常
3、debugger
可以通过 pdb、IDE 等工具进行调试。
调试的具体方法这里不展开。
Python 中有两个内置方法在这里也很有帮助：
- locals: 执行 locals() 之后, 返回一个字典, 包含(current scope)当前范围下的局部变量。
- globals: 执行 globals() 之后, 返回一个字典, 包含(current scope)当前范围下的全局变量。
外部链接:
- dict(): https://www.w3cschool.cn/python/python-func-dict.html
- help(): https://www.w3cschool.cn/python/python-func-help.html
- setattr(): https://www.w3cschool.cn/python/python-func-setattr.html
- next(): https://www.w3cschool.cn/python/python-func-next.html
- slice(): https://www.w3cschool.cn/python/python-func-slice.html
- divmod(): https://www.w3cschool.cn/python/python-func-divmod.html
- oct(): https://www.w3cschool.cn/python/python-func-oct.html
- staticmethod(): https://www.w3cschool.cn/python/python-func-staticmethod.html
- bin(): https://www.w3cschool.cn/python/python-func-bin.html
- int(): https://www.w3cschool.cn/python/python-func-int.html
- str(): https://www.w3cschool.cn/python/python-func-str.html
- bool(): https://www.w3cschool.cn/python/python-func-bool.html
- isinstance(): https://www.w3cschool.cn/python/python-func-isinstance.html
- sum(): https://www.w3cschool.cn/python/python-func-sum.html
- bytearray(): https://www.w3cschool.cn/python/python-func-bytearray.html
- issubclass(): https://www.w3cschool.cn/python/python-func-issubclass.html
- super(): https://www.w3cschool.cn/python/python-func-super.html
- float(): https://www.w3cschool.cn/python/python-func-float.html
- print(): https://www.w3cschool.cn/python/python-func-print.html
- callable(): https://www.w3cschool.cn/python/python-func-callable.html
- format(): https://www.w3cschool.cn/python/att-string-format.html
- property(): https://www.w3cschool.cn/python/python-func-property.html
- frozenset(): https://www.w3cschool.cn/python/python-func-frozenset.html
- vars(): https://www.w3cschool.cn/python/python-func-vars.html
- classmethod(): https://www.w3cschool.cn/python/python-func-classmethod.html
- getattr(): https://www.w3cschool.cn/python/python-func-getattr.html
- locals(): https://www.w3cschool.cn/python/python-func-locals.html
- repr(): https://www.w3cschool.cn/python/python-func-repr.html
- compile(): https://www.w3cschool.cn/python/python-func-compile.html
- globals(): https://www.w3cschool.cn/python/python-func-globals.html
- map(): https://www.w3cschool.cn/python/python-func-map.html
- __import__(): https://www.w3cschool.cn/python/python-func-__import__.html
- complex(): https://www.w3cschool.cn/python/python-func-complex.html
- hasattr(): https://www.w3cschool.cn/python/python-func-hasattr.html
- delattr(): https://www.w3cschool.cn/python/python-func-delattr.html
- hash(): https://www.w3cschool.cn/python/python-func-hash.html
- memoryview(): https://www.w3cschool.cn/python/python-func-memoryview.html
- set(): https://www.w3cschool.cn/python/python-func-set.html
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