Converting a character to a number

[JvdBosch]

string = 'Interval=4'

string.split('=')[1] will return 4 (as string)
int(string.split('=')[1]) will return 4 (as int)
string[9] will return 4 (as string)
int(string[9]) will return 4 (as int)

And so on. Good luck!