how to add variables to print code example

Example 1: print variable string python

print("If there was a birth every 7 seconds, there would be: ", births, "births")

Example 2: python print variables and string

# This prints out "John is 23 years old."
name = "John"
age = 23
print("%s is %d years old." % (name, age))
# note: the letter is based on the datatype. %s = string, %d = decimal