for 문

백준 2739번

https://www.acmicpc.net/problem/2739

 

a = input()
a = int(a)
for i in range(9):
    print('%d * %d = %d'%(a, i+1, a*(i+1)))

 

백준 10950번

https://www.acmicpc.net/problem/10950

 

num = input()
for i in range(int(num)):
    a, b =input().split(' ')
    print(int(a)+int(b))

 

백준 8393번

https://www.acmicpc.net/problem/8393

 

num = input()
s = 0
for i in range(int(num)):
    s += (i+1)
print(s)