3.2. 함수.연습문제

2 * 1 = 2
2 * 2 = 4
…        
9 * 9 = 81

>>> i = 1
>>> while i <= 9:
...   print (2, ' * ', i, ' = ', 2 * i)
...   i = i + 1
...

>>> def multi(a):
...   i = 1
...   while i <= 9:
...     print (a, ' * ', i, ' = ', a * i)
...     i = i + 1
...

>>> multi( 3 )