30秒学会 Python 片段 – Number in range

Checks if the given number falls within the given range.

• Use arithmetic comparison to check if the given number is in the specified range.
• If the second parameter, end, is not specified, the range is considered to be from 0 to start.

代码实现

def in_range(n, start, end = 0):
  return start <= n <= end if end >= start else end <= n <= start

使用样例

in_range(3, 2, 5) # True
in_range(3, 4) # True
in_range(2, 3, 5) # False
in_range(3, 2) # False

翻译自：https://www.30secondsofcode.org/python/s/in-range