计算1+2+3+4+....+100的和？

'''
计算1+2+3+4+....+100的和？ (while循环)
'''
u = 1
sum = 0
while u<=100:
    sum = sum + u
    u = u + 1
print(sum)

#计算1+2+3+4+....+100的和？(for循环)
v = 1
sum = 0
for i in range(1,101):
    sum = sum + v
    v = v + 1
print(sum)