Python 如何删除数组中的部分文本?
我是Python新手 我有这个txt:Python 如何删除数组中的部分文本?,python,Python,我是Python新手 我有这个txt: ======== Data: 00:05:08.627012 ========= 1900-01-01 00:05:08.627012 ; 0 ; 1.16198 ; 10000000.0 1900-01-01 00:05:08.627012 ; 1 ; 1.16232 ; 10000000.0 ========= Data: 00:05:12.721536 ========= 1900-01-01 00
======== Data: 00:05:08.627012 =========
1900-01-01 00:05:08.627012 ; 0 ; 1.16198 ; 10000000.0
1900-01-01 00:05:08.627012 ; 1 ; 1.16232 ; 10000000.0
========= Data: 00:05:12.721536 =========
1900-01-01 00:05:08.627012 ; 0 ; 1.16198 ; 10000000.0
1900-01-01 00:05:12.721536 ; 0 ; 1.16209 ; 1000000.0
1900-01-01 00:05:08.627012 ; 1 ; 1.16232 ; 10000000.0
我需要删除“1900-01-01”,但可以节省时间并将0更改为出价,将1更改为询问
我忍受着这种平静,不知道下一步该怎么办
readyColumns = []
for row in lines:
row = row.strip()
rowsAsArray = row.split(';')
for element in rowsAsArray:
element = element.split(';')
print(element)
如果
1900-01-01
始终位于开头且为常数,则可以删除前11个字符。要替换0
和1
并使用replace(如果我没有告诉您),例如:
输出
======== Data: 00:05:08.627012 =========
00:05:08.627012 ; Bid ; 1.16198 ; 10000000.0
00:05:08.627012 ; Ask ; 1.16232 ; 10000000.0
========= Data: 00:05:12.721536 =========
00:05:08.627012 ; Bid ; 1.16198 ; 10000000.0
00:05:12.721536 ; Bid ; 1.16209 ; 1000000.0
00:05:08.627012 ; Ask ; 1.16232 ; 10000000.0
谢谢这正是我需要的。
lines_block = '''======== Data: 00:05:08.627012 =========
1900-01-01 00:05:08.627012 ; 0 ; 1.16198 ; 10000000.0
1900-01-01 00:05:08.627012 ; 1 ; 1.16232 ; 10000000.0
========= Data: 00:05:12.721536 =========
1900-01-01 00:05:08.627012 ; 0 ; 1.16198 ; 10000000.0
1900-01-01 00:05:12.721536 ; 0 ; 1.16209 ; 1000000.0
1900-01-01 00:05:08.627012 ; 1 ; 1.16232 ; 10000000.0'''
lines = lines_block.split('\n')
new_lines = []
for line in lines:
if line.startswith('1900-01-01'):
fields = line.split(' ; ')
fields[0] = fields[0][10:]
fields[1] = 'Bid' if fields[1] == '0' else 'Ask'
new_line = ' ; '.join(fields)
new_lines.append(new_line)
else:
new_lines.append(line)
for line in new_lines:
print(line)
======== Data: 00:05:08.627012 =========
00:05:08.627012 ; Bid ; 1.16198 ; 10000000.0
00:05:08.627012 ; Ask ; 1.16232 ; 10000000.0
========= Data: 00:05:12.721536 =========
00:05:08.627012 ; Bid ; 1.16198 ; 10000000.0
00:05:12.721536 ; Bid ; 1.16209 ; 1000000.0
00:05:08.627012 ; Ask ; 1.16232 ; 10000000.0