#
# µû¶óÇÏ¸ç ¹è¿ì´Â ÆÄÀ̽ã°ú µ¥ÀÌÅÍ°úÇÐ(»ý´ÉÃâÆÇ»ç 2020)
# 6.5 ÇÔ¼ö¿¡ ÀÏÀ» ½ÃÅ°°í ±× °ªÀ» ¹Þ¾Æ¿Àµµ·Ï ÇÏÀÚ, 150ÂÊ
#
def calculate_area(radius):
area = 3.14 * radius**2
return area # ÀÌÀü ÁÙ¿¡¼ ±¸ÇÑ area °ªÀ» È£Ãâ¹®¿¡ µ¹·ÁÁØ´Ù
c_area = calculate_area(5.0) # calculate_are() ÇÔ¼ö°¡ °è»êÇÑ °ªÀ» c_area¿¡ ÀúÀå
print(c_area)
c_area = calculate_area(10.0) # calculate_are() ÇÔ¼ö°¡ °è»êÇÑ °ªÀ» c_area¿¡ ÀúÀå
print(c_area)
area_sum = calculate_area(5.0) + calculate_area(10.0)
print(area_sum)