python中常用的内置方法
取最小数
min(2,3,4,5)
2
取最大数
max(2,3,4,5)
5
求1-100的累加和
sum(range(1,101))
5050
求1-100奇数的累加和
sum(range(1,101,2))
2500
求2-100偶数的累加和
sum(range(2,101,2))
2550
枚举:返回索引值和对应的value值
for i,v in enumerate(‘westos’):
print(i,v)
num = [‘one’,‘tow’,‘three’]
for i,v in enumerate(num):
print(i,v)
zip压缩
s1 = ‘abc’
s2 = ‘123’
for i in zip(s1,s2):
print(i)
print(’ '.join(i))