delete characters in a string from begining to ']' character

Question

Delete characters upto and including ']'

a="[12] hi how are you [1]" 
b="[13][14] hello" 

expected output :

a="hi how are you [1]"

b=" hello"  

Answer 1

You can use regular expression to achieve this

import re

txt = "[12] hi how are you" 
x = re.sub("\[[0-9]+\]\s*", "", txt)
print(x)