Python String Operations - 8

#STRING INDEX

txt = "Hello, Hello to my world."​

x = txt.index("Hello")​

print(x) 

​

#If the value is not found, the find() method returns -1, but the index() method will raise an exception:

txt = "Hello, welcome to my world."​

print(txt.find("q"))

print(txt.index("q")) 

0
-1

---------------------------------------------------------------------------
ValueError                                Traceback (most recent call last)
Cell In [26], line 12
      9 txt = "Hello, welcome to my world."
     11 print(txt.find("q"))
---> 12 print(txt.index("q")) 

ValueError: substring not found