#1+2+3+...100
# sum = 0
# n = 1
# while n < 101:
# sum = sum + n
# n +=1
# print(sum)
#1+2+3+...100
# sum = 0
# for n in range(1,101):
# sum = sum +n
# print(sum)
#1*1*2*3..*10
# sum = 1
# n = 1
# while n < 11:
# sum = sum*n
# n +=1
# print(sum)
转载于:https://www.cnblogs.com/ermm/p/7095114.html