个人主页: Aileen_0v0
热门专栏: 华为鸿蒙系统学习|计算机网络|数据结构与算法
个人格言:“没有罗马,那就自己创造罗马~”
PYTHON中的sum函数 | |||||||||
# 列表中的元素求和
my_list = [1, 2, 3, 4, 5]
result = sum(my_list)
print(result) # 输出:15
# 元组中的元素求和
my_tuple = (10, 20, 30)
result = sum(my_tuple)
print(result) # 输出:60
# 字典中的值求和
my_dict = {'a': 100, 'b': 200, 'c': 300}
result = sum(my_dict.values())
print(result) # 输出:600
# 使用自定义初始值求和
my_list = [1, 2, 3, 4, 5]
result = sum(my_list, 10) # 初始值为10
print(result) # 输出:25
#利用sum函数,求1-n的所有奇数和,所有偶数和。
n = int(input("请输入一个整数: "))
print(sum(range(1,n+1,2)),sum(range(2,n+1,2)))
s,n= 0,0
while s <= 1000:
n += 1
s += n
print(n)
#验算:
print('1-45的和为',sum(range(1,46)))
print('1-44的和为',sum(range(1,45)))
print('1-46的和为',sum(range(1,47)))
m = int(input())
n = int(input())
t = m % n #余数
while t != 0:
m,n = n,t
t = m % n
print(n)
PYTHON中的多重循环 | |||||||||
stop = False
for i in range(5):
for j in range(5):
print("i = ",i,"j = ",j)
if i == 3 and j == 3:
stop = True
break
if stop:
break
count = 0
for x in range (91):
for y in range(91):
for z in range(91):
if x + y + z == 90 and (15 * x ) + (10 * y) + (5 * z) == 500:
count += 1
print(x,y,z)
优化版:
count = 0
for x in range (34):
for y in range(51):
z = 90 - x - y
count += 1
if x + y + z == 90 and (15 * x ) + (10 * y) + (5 * z) == 500:
print(x,y,z)
#打印计算次数
print(count)