import re
text='''00:00:23.844 ---> 00:00:26.334
00:00:23.844 ---> 00:00:26.334
00:00:23.844 ---> 00:00:26.334
00:00:23.844 ---> 00:00:26.334
00:00:23.844 ---> 00:00:26.334'''
timeline = text.split('\n')
print timeline
for text in timeline:
num=list(map(float,re.findall(r'\d+\.\d+',text)))
print(num)
for i in range(len(num)):
num+=1.5
print(num)