for i in range(1,10):
for j in range(1,i+1):
print(i,"*",j,"=",i*j,' ',end="")#如果没有end="",将会自动换行
print()#打印完一行,用print()进行换行
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for i in range(1,10):
for j in range(1,i+1):
print(i,"*",j,"=",i*j,' ',end="")#如果没有end="",将会自动换行
print()#打印完一行,用print()进行换行
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