print 函数的使用做一个增强
- print("*",end="" ) 不换行
- print("") 单纯的换行
- \n 换行符
打印*
循环嵌套的核心思想:外层的循环执行一次,内层循环会执行若干次
i = 1
while i <= 5:
print("*" * i)
i +=1
row = 1
while row <= 5:
col = 1
while col <= row
print("*", end = "")
col += 1
print(") #换行符
row += 1
乘法口诀
row = 1
while row <= 5:
col = 1
while col <= row
print("%d * %d = %d" %(col,row,(col * row)), end = "\t")
col += 1
print()
row += 1
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