py3 format code example
Example 1: python string format
string_a = "Hello"
string_b = "Cena"
# Index based:
print("{0}, John {1}"
.format(string_a, string_b))
# Object based:
print("{greeting}, John {last_name}"
.format(greeting=string_a, last_name=string_b))
Example 2: str.format python 3
print("Sammy the {pr} {1} a {0}.".format("shark", "made", pr = "pull request"))