how to turn a string into code in python code example

Example: python execute string

a = """
A = 5
if A > 0 :
	print("A Is Positive")
elif A == 0 : 
	print("A Is Equal To 0")
else : 
	print("A Is Negative")
"""
exec(a)
>>> A Is Positive
#you can also use eval(string) for asyncio