what is str?

Answer 1

str is a keyword in python for data type string
for example :

a=str(5)
print(a)

now the str() function converts the type of 5 as string
'5'
like wise u can use
str() for string conversion
float() for float conversion
int() for integer conversion

the arguments passed within these functions would convert the type respectively

Answer 2

oh thanks a lot, now I get it.

Answer 3

Which is used convert to string data type