kor = [70, 80, 90, 40, 50]
eng = [90, 80, 70, 70, 60]
sum1, sum2, sum3, sum4 = 0, 0, 0, 0

for i in range(0, 5):
    sum1 = sum1 + kor[i] + eng[i]

for k in kor:
    sum2 = sum2 + k
for e in eng:
    sum2 = sum2 + e

for i, k in enumerate(kor):
    sum3 = sum3 + k + eng[i]

for k, e in zip(kor, eng):
    sum4 = sum4 + k + e

print('sum1=', sum1), print('sum2=', sum2)
print('sum3=', sum3), print('sum4=', sum4)
