摘要:
Calculate a+b and output the sum in standard format -- that is, the digits must be separated into groups of three by commas (unless there are less tha 阅读全文
摘要:
from math import * import sys # print(sys.path) #九九乘法表 for i in range(1,10): for j in range(1,i+1): print(i,'*',j,'=',i*j,'\t',end=' ') print() (一) digits = (1,2,3,4) for i in digits... 阅读全文