Python循环/数组使用

#!/usr/bin/python #coding=gb2312   L=[[1,2,3],[4,5,6],[7,8,9]]; print L; print L[1]; print L[1][0]; print L[1][0:-1];   col2=[row[1] for row in L];  print col2; print [row[1]+1 for row in L];  G=(sum(row) for row in L); print next(G); print next(G); print next(G);  print list(map(sum,L));  D={'book':'SKET','price':100,'color':'red'}; print D; print D['book']; print D['price']; print D['color']; F={}; F['name']='jack'; F['job']='zhuanjia'; F['age']=15; print F; print F['job']; S={'a':1,'b':2,'c':3}; print S; ks=list(S.keys()); for key in sorted(ks):     print(key,'=>',S[key]); ks=list(S.keys()); for key in ks:     print(key,'=>',S[key]);

 

转载于:https://my.oschina.net/xiaocon/blog/199333

来源：51CTO

作者：chiqu8683

链接：https://blog.csdn.net/chiqu8683/article/details/100607339