20.1.15. 同时对数据做转换和换算

#!/usr/bin/env python
# -*- coding:utf8 -*-
# auther; 18793
# Date：2020/4/1 16:28
# filename: 15.同时对数据做转换和换算.py

nums = [1, 2, 3, 4, 5]
s = sum(x * x for x in nums)
print(s)  # 55

import os

files = os.listdir('.')
if any(name.endswith('.py') for name in files):
    print('There be python!')
else:
    print('Sorry, no python.')

s = ('ACME', 50, 123.45)
print(','.join(str(x) for x in s))  # 45

portfolio = [
    {'name': 'GOOG', 'shares': 50},
    {'name': 'YHOO', 'shares': 75},
    {'name': 'AOL', 'shares': 20},
    {'name': 'SCOX', 'shares': 65}

]

min_shares = min(s['shares'] for s in portfolio)
print(min_shares)  # 20