一. 面向对象初识

1.1 回顾面向过程编程vs函数式编程

# 面向过程编程 测量对象的元素个个数。
s1 = 'fjdsklafsjda'
count = 0
for i in s1:
    count += 1


l1 = [1,2,3,4]
count = 0
for i in l1:
    count += 1
面向过程编程

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