※ 引述《jazy6804 (豪大帥哥)》之銘言：
: 1.寫一個程式輸入x,y座標值,判斷該點是在哪一個象限跟軸上
: 如:輸入(3.0,-2.5)印出即為第四象限;輸入座標(4.5,0),則
: 印出X軸
: 以上就這樣請高手幫忙>"<感謝
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import re
def coordinate(x, y):
if x == 0.0 and y == 0.0:
print '原點'
elif x == 0.0 and y != 0.0:
print 'y軸上'
elif x != 0.0 and y == 0.0:
print 'x軸上'
elif x > 0.0 and y > 0.0:
print '第一象限'
elif x > 0.0 and y < 0.0:
print '第四象限'
elif x < 0.0 and y < 0.0:
print '第三象限'
elif x < 0.0 and y > 0.0:
print '第二象限'
def main():
while True:
string = raw_input("請輸入座標:")
r = re.compile(r'\((.*?),(.*?)\)')
m = r.match(string)
try:
x = float(m.groups()[0])
y = float(m.groups()[1])
except:
print "錯了啦！"
continue
coordinate(x, y)
if __name__ == "__main__":
main()
else:
pass
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