Write a Python program to remove duplicate words from a given string

def unique_list(text_str):
    l = text_str.split()
    temp = []
    for x in l:
        if x not in temp:
            temp.append(x)
    return ' '.join(temp)

text_str = "Python Exercises Practice Solution Exercises"
print("Original String:")
print(text_str)
print("\nAfter removing duplicate words from the said string:")
print(unique_list(text_str))