python variable from string code example

Example 1: python get variable from string

some_variable = "here is a string stored in this variable"
# Get the variable name from a string by the eval() function:
# Notice how the parameter is a string but the print() function still returns the variable
print(eval("some_variable"))

# More advanced usage
import random
thing1 = "thing 1"
thing2 = "thing 2"
thing3 = "thing 3"

number = random.randint(1, 3)
variable_as_a_string = "thing" + str(number)

print(eval(variable_as_a_string))

Example 2: variable string in string python

>>> shepherd = "Mary"
>>> age = 32
>>> stuff_in_string = "Shepherd {} is {} years old.".format(shepherd, age)
>>> print(stuff_in_string)
Shepherd Mary is 32 years old.