while循环row=1whilerow<=9:line=1whileline<=row:print(f'{row}*{line}={row*line}',end='')line=1print()row=1for循环forrowinrange(1,10):forlineinrange(1,10):ifline<=row:print(f'{line}*{row}={line*row}',end='')print()

while循环
row=1
while row<=9:
line=1
while line<=row:
print(f'{row}*{line}={row*line}',end=' ')
line =1
print()
row =1
for循环
for row in range(1,10):
for line in range(1,10):
if line<=row:
print(f'{line}*{row}={line*row}',end=' ')
print()
