s = "mouse"

animal_letter = s.find('s')

print animal_letter

string = "Hello World"

string_slice = string[1:10] # "ello Worl" (index 1 up to 10)

string_last_chars = string[-5:] # "World" (5th index from last to the end)

H = string[0] # "H"

myStr = "py py py py"

print(myStr.find("js"))

print(myStr.index("js"))

​

myStr = "py py py py"

print(myStr.find("js"))

print(myStr.index("js"))

​

myStr = "py py py py"

print(myStr.find("js"))

print(myStr.index("js"))

​

​

## OUTPUT:

​

-1

Traceback (most recent call last):

  File "D:\Programming\python\article\find.py", line 38, in <module>

    print(myStr.index("js"))

ValueError: substring not found

​

myStr = "py py py py"

print(myStr.find("js"))

print(myStr.index("js"))

​

kardiz = "Python"

kardiz[0]

​

'P'