乘法口诀(perl,python,shell版)
perl版:#!/bin/env perl
foreach $i(1..9){
foreach $j(1..$i){
print "$j*$i=",$j*$i,"\t";
}
print "\n";
}
python版:
#!/bin/env python
for i in range(1,10):
for j in range(1,i):
print "%d*%d=%-3d" %(i,j,j*i),
shell 版
#!/bin/env bash
for i in {1..9}
dofor j in `seq $i`
doprintf "$j*$j=$[$j*$i]\t"
done
echo
done
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