输出乘法口诀表
first = 1
while first<=9:
sec = 1
while sec <= first:
print( str(sec)+"*"+ str(first) +"="+str(sec * first), end="\t")#\t制表符,作用是让表格对齐
sec += 1
print()#换行
输出乘法口诀表
first = 1
while first<=9:
sec = 1
while sec <= first:
print( str(sec)+"*"+ str(first) +"="+str(sec * first), end="\t")#\t制表符,作用是让表格对齐
sec += 1
print()#换行