hm_02_第一个while循环.py
def main():
i = 1
while i <= 3:
print(i, 'Hello world')
i += 1
print(i)
1 Hello world
2 Hello world
3 Hello world
4
hm_03_程序计数.py
def main():
i = 0
while i < 3:
print(i, 'Hello world')
i += 1
print(i)
hm_04_累加求和.py
def main():
sum = 0
i = 0
while i <= 100:
sum += i
i += 1
print(i, sum)
101 5050
hm_05_偶数求和.py
def main():
sum = 0
i = 0
while i <= 100:
if i % 2 == 0:
print(i)
sum += i
i += 1
print(i, sum)
101 2550
hm_06_break.py
def main():
i = 0
while i < 10:
if i == 3:
break
print(i)
i += 1
0
1
2
hm_07_continue.py
def main():
i = 0
while i < 10:
if i == 3:
i += 1
continue
print(i)
i += 1
0
1
2
4
5
6
7
8
9
hm_08_打印小星星.py
def main():
row = 0
while row <= 5:
print('*' * row)
row += 1
*
**
***
****
*****
hm_09_print函数的结尾.py
def main():
print('*' * 10, end='---')
**********---
hm_10_嵌套打印小星星.py
def main():
row = 0
while row < 5:
col = 0
while col <= row:
print('*', end='')
col += 1
print('')
row += 1
hm_11_九九乘法表.py
def main():
row = 1
while row <= 9:
col = 1
while col <= row:
print('%d*%d=%d' % (col, row, col * row), end='\t')
col += 1
print('')
row += 1
hm_12_转义字符.py
def main():
print('1\t2')
print('hello\nworld')