The fourth day of python practice

Changed the master today. Rivers and lakes are known as the goddess of scenery. ^o^. The female master spoke in detail and explained more principles. A bit difficult for beginners. But the basic skills must be salvaged. I like it this way! effort!

iterator

Builder

procedural programming

Ternary expression

list generator, generator expression

Recursion and Dichotomy

anonymous function

built-in function