標籤:python 正序 反序 相同 直接上代碼#coding:utf-8def f1(x):#定義一個函數,尋找正序反序都相等的數字if type(x) !=int:#如果函數參數不是整型,退出程式exit(‘must a int type‘)x=str(x)lix=list(x)str1=‘‘i=len(lix)-1while i <len(lix)
標籤:python:#!/usr/bin/env pythonimport tab,os,sysexitcheck = Falselistfile = ‘Addresslist.data‘Dictionary = {}#with open(listfile,‘a‘) as datafiledatafile=file(listfile,‘r‘)datafile.seek(0)for line in
英文文檔:locals()Update and return a dictionary representing the current local symbol table. Free variables are returned by locals() when it is called in function blocks, but not in class blocks. 說明: 1. 函數功能返回當前範圍內的局部變數和其值組成的字典,與globals函數類似(返回全域變數)>>>
英文文檔:iter(object[, sentinel])Return an iterator object. The first argument is interpreted very differently depending on the presence of the second argument. Without a second argument, object must be a collection object which supports the iteration
Python內建函數(34)——isinstance,pythonisinstance英文文檔:isinstance(object, classinfo) Return true if the object argument is an instance of the classinfo argument, or of a (direct, indirect or virtual) subclass thereof. If object is not an object of the
Python內建函數(35)——issubclass,pythonissubclass 英文文檔:issubclass(class, classinfo)Return true if class is a subclass (direct, indirect or virtual) of classinfo. A class is considered a subclass of itself. classinfo may be a tuple of class objects,
Python內建函數(36)——iter,python內建36iter英文文檔:iter(object[, sentinel]) Return an iterator object. The first argument is interpreted very differently depending on the presence of the second argument. Without a second argument, object must be a collection