Python:if-while-for
#!/usr/bin/python3 #if elif else print("开始猜数字游戏") num = int(input("请输入数字")) stand = 30 if num == stand: print("你猜对了") elif num<stand: print("猜小了") else: print("猜大了") #while n=1 count =0 while n<=100: count+=n n+=1 print("1-100的和等于=",count) #for #计算1-100的和 count =0 ; for i in range(101): count=count+i print("1-100的和等于=",count) #break continue