回答此问题可获得 20 贡献值,回答如果被采纳可获得 50 分。
<p>我正在寻找一个存在于列表中的字符串,以获取该字符串的索引,以便将列表B的内容插入到列表a中</p>
<p>我的代码说字符串不在列表中,我不知道为什么(因为它在那里!)。谢谢!你知道吗</p>
<pre><code>HEADER = ['ROAD_ID: R1.6', 'ROAD_TYPE: Curve', 'ARC_RADIUS: 1650.000000', 'SPIRAL_LEN1: 300.000000', 'SPIRAL_LEN2: 300.000000', 'SUPERELEVATION: 0.030000', 'CONTROL_POINT: 56551.970145 41423.581706 117.415152', 'VCURVE_LEN: 1298.247591', 'VCURVE_MIN: 20.000000', 'SLOPE1: 0.020632', 'SLOPE2: 0.019981', 'PATHNAME: Default Road', 'SPEED: 45.000000', 'NO_PASSING: FALSE', 'STORE_HPR: FALSE', 'NUM_POINTS: 130']
K_WIDTH = 'WIDTH: '
W_REC = ['PROFILE_POINT: 25.500 0.000','PROFILE_POINT: -25.500 0.00','WIDTH: 51.000','CENTER2LEFT: 25.500']
what = 'PATHNAME:'
for n in HEADER:
print n, type(n)
if what in n:
print '////////////////////'
print 'Found:', what, type(n)
if not K_WIDTH in HEADER:
print 'Looking for:', what
if what in HEADER:
where = HEADER.index(what)
HEADER.insert(where,w_rec)
else:
print 'Not found', what
</code></pre>
<p>输出:</p>
<pre><code>ROAD_ID: R1.6 <type 'str'>
ROAD_TYPE: Curve <type 'str'>
ARC_RADIUS: 1650.000000 <type 'str'>
SPIRAL_LEN1: 300.000000 <type 'str'>
SPIRAL_LEN2: 300.000000 <type 'str'>
SUPERELEVATION: 0.030000 <type 'str'>
CONTROL_POINT: 56551.970145 41423.581706 117.415152 <type 'str'>
VCURVE_LEN: 1298.247591 <type 'str'>
VCURVE_MIN: 20.000000 <type 'str'>
SLOPE1: 0.020632 <type 'str'>
SLOPE2: 0.019981 <type 'str'>
PATHNAME: Default Road <type 'str'>
////////////////////
Found: PATHNAME: <type 'str'>
SPEED: 45.000000 <type 'str'>
NO_PASSING: FALSE <type 'str'>
STORE_HPR: FALSE <type 'str'>
NUM_POINTS: 130 <type 'str'>
Looking for: PATHNAME:
Not found PATHNAME:
</code></pre>