def get_sum(start, end): # start, end¸¦ ¸Å°³º¯¼ö·ÎÇÏ¿© ÀÎÀÚ¸¦ ¹Þ´Â´Ù
s = 0
for i in range(start, end + 1): # startºÎÅÍ end±îÁö Á¤¼öÀÇ ÇÕÀ» ±¸ÇÔ
s += i
return s # startºÎÅÍ end±îÁö ¼öÀÇ ÇÕÀ» ¹ÝȯÇÑ´Ù
print(get_sum(1, 10)) # 1¿¡¼ 10±îÁö Á¤¼öÀÇ ÇÕ 55¸¦ Ãâ·ÂÇÑ´Ù
x = get_sum(1, 10) # 1°ú 10ÀÌ ÀÎÀÚ°¡ µÈ´Ù.
print('x =', x)
y = get_sum(1, 20) # 1°ú 20ÀÌ ÀÎÀÚ°¡ µÈ´Ù.
print('y =', y)