打开 Python 集成开发环境 (IDE),如 PyCharm 或 Visual Studio Code。创建一个新项目并命名它。
步骤 3:编写代码
对于一个简单的软件,你可能只需要编写少量代码。例如,要创建一个简单的计算器,可以编写以下代码:
def add(a, b):
return a + b
def subtract(a, b):
return a - b
def multiply(a, b):
return a * b
def divide(a, b):
return a / b
while True:
operation = input("Enter operation (+, -, *, /): ")
if operation not in ['+', '-', '*', '/']:
print("Invalid operation")
continue
num1 = float(input("Enter first number: "))
num2 = float(input("Enter second number: "))
result = None
if operation == '+':
result = add(num1, num2)
elif operation == '-':
result = subtract(num1, num2)
elif operation == '*':
result = multiply(num1, num2)
elif operation == '/':
if num2 == 0:
print("Cannot divide by zero")
else:
result = divide(num1, num2)
if result is not None:
print("Result:", result)
choice = input("Continue? (y/n): ")
if choice == 'n':
break