一、取大小值
>>> min(3,4)
3
>>> min(9,4)
4
>>> max(3,4)
4
>>> max(8,4)
8
二、求和
>>> sum(range(1,101)) #1~100之间所有数之和
5050
>>> sum(range(2,101,2)) #1~100之间所有偶数之和
2550
>>> sum(range(1,101,2)) #1~100之间所有奇数之和
2500
三、枚举
返回索引值和对应的value值
for i,v in enumerate('hello'):
print(i,v)
print(str(i) + '----->' + v)
测试:
0 h
0----->h
1 e
1----->e
2 l
2----->l
3 l
3----->l
4 o
4----->o
四、zip
示例1
s1 = 'abc'
s2 = '123'
for i in zip(s1,s2):
print(i)
测试:
('a', '1')
('b', '2')
('c', '3')
示例2
s1 = 'abc'
s2 = '123'
for i in zip(s1,s2):
print(''.join(i))
测试:
a1
b2
c3
示例3
s1 = 'abc'
s2 = '123'
for i in zip(s1,s2):
print('-'.join(i))
测试:
a-1
b-2
c-3