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Write a python program that asks a user to enter the value for three resistors R 1 , R 2 and R 3 . Include

Write a python program that asks a user to enter the value for three resistors R1, R2 and R3. Include one or more functions that:
Validates the data by ensuring a positive numeric value was entered. If the entered number is negative or zero, a message should display that this is not a valid resistance. Please enter a positive number.
Calculates the total resistance when R1 & R2 & R3 are in series configuration. Then display a message: if R1, R2 and R3 are in series, then the total resistance is______. Refer to the figure below. You can use the following equation. R_total=R1+R2+R3
Calculate the total resistance when R1 & R2 & R3 are in a parallel configuration. And display a message that if R1, R2 and R3 are in parallel, then the total resistance is______. Refer to the diagram below. You can use the equation. R_total=(R1^(-1)+R2^(-1)+R3^(-1))^(-1)
Calculate the total resistance when R1 & R2 are in parallel, and the result is in series with R3. And display a message that if R1, R2 are in parallel and the result to be in series with R3, then total resistance is______. Refer to the figure below. You can use the equation:
R_total=(R1^(-1)+R2^(-1))^(-1)+R3
Calculate the total resistance when R1 & R2 are in series and the result is in parallel with R3. And display a message that if R1, R2 are in series and the result to be in parallel with R3, then total resistance is______. Hint: You can use the following equation.
R_total=((R1+R2)^(-1)+R3^(-1))^(-1)

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