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calculator.py
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calculator.py
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# Calculator
def add(P,Q):
return P + Q
def subtract(P,Q):
return P - Q
def multiply(P,Q):
return P * Q
def divide(P,Q):
return P / Q
print("Please select the operation.")
print("a. Add")
print("b. Subtract")
print("c. Multiply")
print("d. Divide")
choice = input("Please enter choice (a/ b/ c/ d): ")
num_1 = int(input("Please enter the first number: "))
num_2 = int(input("Please enter the second number: "))
if choice == 'a':
print(num_1, " + ", num_2, " = ", add(num_1, num_2))
elif choice == 'b':
print(num_1, " - ", num_2, " = ", subtract(num_1, num_2))
elif choice == 'c':
print(num_1, " * ", num_2, " = ", multiply(num_1, num_2))
elif choice == 'd':
print(num_1, " / ", num_2, " = ", divide(num_1, num_2))
else:
print("This is a invalid input.")
print("Thanks! mopeno")