創建一個簡單的計算器,該計算器可以根據用戶輸入執行基本的算術運算,如加,減,乘或除。
方法:
1)用戶選擇所需的操作。選項1、2、3和4有效。
2)取兩個數字,並使用if…elif…else分支來執行特定部分代碼。
3)使用函數add(),subtract(),multipli()和divide()評估各自的運算。
示例:
<code>Please select operation -
1. Add
2. Subtract
3. Multiply
4. Divide
Select operations form 1, 2, 3, 4 : 1
Enter first number : 20
Enter second number : 13
20 + 13 = 33/<code>
<code># Python program for simple calculator
# Function to add two numbers
def add(num1, num2):
return num1 + num2
# Function to subtract two numbers
def subtract(num1, num2):
return num1 - num2
# Function to multiply two numbers
def multiply(num1, num2):
return num1 * num2
# Function to divide two numbers
def divide(num1, num2):
return num1 / num2
print("Please select operation -\\n" \\
"1. Add\\n" \\
"2. Subtract\\n" \\
"3. Multiply\\n" \\
"4. Divide\\n")
# Take input from the user
select = input("Select operations form 1, 2, 3, 4 :")
number_1 = int(input("Enter first number: "))
number_2 = int(input("Enter second number: "))
if select == '1':
print(number_1, "+", number_2, "=",
add(number_1, number_2))
elif select == '2':
print(number_1, "-", number_2, "=",
subtract(number_1, number_2))
elif select == '3':
print(number_1, "*", number_2, "=",
multiply(number_1, number_2))
elif select == '4':
print(number_1, "/", number_2, "=",
divide(number_1, number_2))
else:
print("Invalid input") /<code>
輸出:
<code>Please select operation -
1. Add
2. Subtract
3. Multiply
4. Divide
Select operations form 1, 2, 3, 4 : 1
Enter first number : 15
Enter second number : 14
15 + 14 = 29/<code>
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