5-4 update

src/kr/co/swh/lecture/algorithm/Lv5-4.py

     a = totalDayFromCalendar(year, month, 1)
     k = endDayFromTotalDay(year,month)
     print("%10d 년 %d 월" % (year, month))
-    for b in range(7):
-        if b != 6:
-            print("%2s" % yoil[b], end=" ")
-        else:
-            print("%2s" % yoil[b])
+    for b in range(6):
+        print("%s" % yoil[b], end="      ")
+    print("%s" % yoil[-1])
     for b in range(1, k+1):
         if b == 1:
             for c in range(7-(a % 7)):
                 print("%2s" % " ", end="  ")
-        if a%7 == 1 and b != 1:
+        if a%7 == 1:
             print()
         print("%2d" % b, end="  ")
         a+=1