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Python数据分析与实战挖掘-课后作业1
print("-"*25+"正序九九乘法口诀表"+"-"*25)
print()
for i in range(1,10,1):
for j in range(1,i+1,1):
print(str(i)+"*"+str(j)+"="+str(i*j)+" "*(4-len(str(i*j))),end="")
print()
print()
print()
#-----------------------------------------
print("-"*25+"逆序九九乘法口诀表"+"-"*2...