js、sql和python版本的乘法口诀对比
var val=''; for(var i=1; i<10; i++){ for(var j=1; j<=i; j++){ k = (i*j)<10?' '+(i*j):(i*j); val += j+' * '+i+' = '+k+' '; } val+='\n'; } console.log(val)
declare @i int declare @j int declare @val varchar(1000) set @i=1 set @j=1 set @val='' while @i<10 begin set @j=1 while @j<=@i begin set @val += cast(@j as char(2)) + '* ' + cast(@i as char(2)) + '= ' + cast((@i*@j) as char(2)) +' ' set @j+=1 end set @i+=1 set @val +=char(13) --换行 end print(@val)
for i in range(1,10): for j in range(1,i+1): print('{0}*{1}={2}'.format(j,i,(i*j)),end="\t") print()
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