摘要：# Work hard and try again.Done is better than perfect.for i in range(1,10): for j in range(1,i + 1): result = j * i print(j,"*",i,"=",result,'\t',end= 阅读全文

摘要：# while 循环s = 0i = 1while i < 10: s = s + i i = i + 1print(s)执行结果： 阅读全文

摘要：# for双循环，内层循环先循环，外层循环再循环for i in range(1,4): for j in range(1,3): print('i=',i,' ','j=',j)执行结果： # for 双层循环关联for i in range(1,4): for j in range(1,i+1) 阅读全文

摘要：# Work hard and try agin. Done is better than perfect.# 进行for 循环的学习for i in range(1,4): print('i=',i) # 步长默认1，取1不取4print(' ')s=0for i in range(1,5,2): 阅读全文