string to integer convert in the python

string to integer convert in the python 

var4 = "23"

var5 = "23"

print(var4+var5)

In the abve example they show only string now you can convert the string in to the integer that's called type casting

the type functon is show the type of the particular variable

print(type(var4))

print(int(var4) + int(var5))