Python每天五分钟-循环

i = 1
while i < 10:
	print('i = ',i)
	i += 1

i = 1
while i < 10:
	print('i 小于 10', ', i = ', i)
	i += 1
else:
	print('i 大于或等于 10',', i = ', i)

i = '123'
print(list(i))
# 输出结果 ['1', '2', '3']

# range(int num)
print(list(range(2)))
# 输出结果 [0, 1]
# range(int start,int end)
print(list(range(2, 4)))
# 输出结果 [2, 3]
# range(int start,int end,int step)
print(list(range(2, 10, 2)))
# 输出结果 [2, 4, 6, 8]

i = (1, 2, 3)
for x in i:
	print(x)
# 输出结果
1
2
3

i = (1, 2, 3, 4, 5)
for x in i:
	if x == 4:
		print('跳出循环 x =', x)
		break
	else:
		print('继续循环 x =', x)

y = 10
while y > 0:
	if y <= 5:
		print('跳出循环 y =', y)
		break
	else:
		print('继续循环 y =', y)
		y -= 1
# 输出结果
# 继续循环 x = 1
# 继续循环 x = 2
# 继续循环 x = 3
# 跳出循环 x = 4
# 继续循环 y = 10
# 继续循环 y = 9
# 继续循环 y = 8
# 继续循环 y = 7
# 继续循环 y = 6
# 跳出循环 y = 5

i = (1, 2, 3, 4, 5)
for x in i:
	if x <= 4:
		continue
	else:
		print('x <=', x)

y = 10
while y > 0:
	y -= 1
	if y >= 5:
		continue
	else:
		print('y <', y)
# 输出结果
# x <= 5
# y < 4
# y < 3
# y < 2
# y < 1
# y < 0