Here's how to generate pseudo-random numbers in Python.
import random
# Random generation seed for reproducible results
seed = 42
# Float
random.Random(seed).uniform(3,10)
# 7.475987589205186
# Integer
int(random.Random(seed).uniform(3,10))
# 7
# Integer
random.Random(seed).randint(0, 999)
# 654
See the random module for more information.