AskMath Basic arithmetic operations script

# Online Python compiler (interpreter) to run Python online.
# Write Python 3 code in this online editor and run it.
def has_duplicates(seq):
    return len(seq) != len(set(seq))

nums = list(map(int, input("Numbers to calculate on: ").split()))
target = int(input("Target number: "))

operations = ['+', '-', '*', '/']

for op1 in operations:
    for op2 in operations:
        for op3 in operations:
            for op4 in operations:
                if has_duplicates([op1, op2, op3, op4]):
                    continue

                equationStr = f"{nums[0]}{op1}{nums[1]}{op2}{nums[2]}{op3}{nums[3]}{op4}{nums[4]}"

                ans = eval(f"{nums[0]}{op1}{nums[1]}")
                ans = eval(f"{ans}{op2}{nums[2]}")
                ans = eval(f"{ans}{op3}{nums[3]}")
                ans = eval(f"{ans}{op4}{nums[4]}")

                if ans == target:
                    print(equationStr)
                    print("Answer:", op1, op2, op3, op4)
                    break

print("Program end")