代码
j = 1
while j <= 9:
i = 1
while i <= j:
# 格式化输出,每行的个数与行号相同
print(f'{i}*{j}={i*j}',end='\t')
i += 1
# 输出一行后换行显示
print()
j += 1
j = 1
while j <= 9:
i = 1
while i <= j:
# 格式化输出,每行的个数与行号相同
print(f'{i}*{j}={i*j}',end='\t')
i += 1
# 输出一行后换行显示
print()
j += 1
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