python学习计划DAY4:条件判断和循环控制

def fn(func):    print("fn")    return func()
@fndef func():    print("func runing")
class Rect:    def __init__(self,width=0,height=0):        self.width = width        self.height = height            @property    def area(cls):        return cls.width * cls.height        @classmethod    def getArea(cls,tup1):        r = cls(tup1[0],tup1[1])        return  r.width * r.height        @staticmethod    def info():        return "this is Rect class"    # 类方法修饰print(Rect.getArea((3,8)))# 静态方法修饰print(Rect.info())# 属性修饰r = Rect(19,9)print(r.area)
# break : 循环中执行进行终止执行# continue : 循环中停止本次执行继续下一次   print("====break========")for i in range(5):    if i == 2:        print("")        break    print(i,end = "")print("====continue========")for i in range(5):    if i == 2:        continue    print(i,end="")

import random
number = random.randint(1,50)while True:    guess = int(input("请输入1-50你猜的数字:"))    if guess == number:        print("恭喜，你猜对了")        break    elif guess< number:        print("猜的数字太小了")    elif guess>number:        print("猜的数字太大了")

sum = 0n = 10counter = 1while counter <= n:    sum = sum + counter    counter += 1    print("1 到 %d 之和为: %d" % (n,sum))
for i in  range(2,30):    print(i,end=" ")