python循环语句

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")