for x in range(0.5, 5.5, 0.5): print(x)

You can use the following code to get the desired output.
from math import *

def main():
    # Inputs
    a = float(input("Enter the value of a: "))
    b = float(input("Enter the value of b: "))
    c = float(input("Enter the value of c: "))
    d = float(input("Enter the value of d: