题目:输出 9*9 乘法口诀表。
程序分析:分行与列考虑,共9行9列,a控制行,b控制列。
a = 9
b = 9
for each_a in range(a):
if each_a != 0:
for each_b in range(b):
if each_b != 0:
if each_a >= each_b:
print("%d * %d = %d" %(each_a, each_b, each_a * each_b), end=" " )
print("\n")
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