实例1
for i in range(5): print(i)
实例2
for i in range(0,10,3): #从0开始,到10结束,步进值为3 print(i)
实例3
name = "baoding" for x in name: print(x)
实例4
a = ["aa","bb","cc","dd"] for i in range(len(a)): print(i,a[i])
实例5
i = 0 while i < 5: print("当前是第%d次循环"%(i+1)) print("i=%d"%i) i += 1
实例6
n=100 sum = 0 counter = 1 while counter <= n: sum += counter counter += 1 print("1到%d的和为%d"%(n,sum))
实例7
count = 0 while count < 5: print(count,"小于5") count += 1 else: print(count,"大于或等于5")