Files
Learn/day2/条件循环.py
2025-07-03 21:46:54 +08:00

36 lines
522 B
Python

"""a = input("数:")
num = int(a)
if num % 2 == 0:
print(num * 2)
else:
print(num + 1)
while num >= 2:
num /= 2
print(num)
sb = range(114,514)
for i in sb :
print(i)"""
"""
a =input("")
b= ''
for i in a:
b = i + b#从右边倒着加字符
print(b)
"""
# for i in 0,3 为什么i会输出1和3
"""
str = '123'
print(str[3])为什么会超范围
"""
#此处开始
str = input("")
length = len(str)
num = 0
shot = ""
for i in range(0, length):
num = length - i - 1
shot += str[num]
print(shot)