71 lines
1.7 KiB
Python
71 lines
1.7 KiB
Python
# This function adds two numbers
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def add(x, y):
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return x + y
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# This function subtracts two numbers
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def subtract(x, y):
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return x - y
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# This function multiplies two numbers
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def multiply(x, y):
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return x * y
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# This function divides two numbers
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def divide(x, y):
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return x / y
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def avg(x, y):
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return (x + y) / 2
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def sci(x, y):
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return x * 10 ** y
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print("Select operation.")
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print("1.Add")
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print("2.Subtract")
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print("3.Multiply")
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print("4.Divide")
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print("5.Average")
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print("6.Scientific Notation")
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while True:
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# take input from the user
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choice = input("Enter choice(1/2/3/4/5/6): ")
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# check if choice is one of the four options
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if choice in ('1', '2', '3', '4', '5', '6'):
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try:
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num1 = float(input("Enter first number: "))
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num2 = float(input("Enter second number: "))
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except ValueError:
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print("Invalid input. Please enter a number.")
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continue
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if choice == '1':
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print(num1, "+", num2, "=", add(num1, num2))
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elif choice == '2':
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print(num1, "-", num2, "=", subtract(num1, num2))
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elif choice == '3':
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print(num1, "*", num2, "=", multiply(num1, num2))
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elif choice == '4':
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print(num1, "/", num2, "=", divide(num1, num2))
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elif choice == '5':
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print(f"avg({num1}, {num2})", "=", avg(num1, num2))
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elif choice == '6':
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print(f"{num1}e{num2}", "=", sci(num1, num2))
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# check if user wants another calculation
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# break the while loop if answer is no
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next_calculation = input("Let's do next calculation? (yes/no): ")
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if next_calculation.lower().startswith('n'):
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break
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else:
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print("Invalid Input")
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