1.计算两个数的和
numl = 5num2 = 3result = numl + num2print(result)
2.求列表中的最大值
numbers = [4, 9, 2, 7, 5]max_number = max(numbers)print(max_number)
3.反转字符串
text = "Python"reversed_text = text[::-1]print(reversed_text)
4.判断奇偶数
num =7if num % 2 == 0: print(”偶数”)else: print(”奇数”)
5.计算阶乘
def factorial(n): ifn== return 1 else: return n * factorial(n-1)result = factorial(5)print(result)
6.遍历字典
person ={"name”:"Alice","age":30,"city":"New York"}for key, value in person.items():print(f"{key}: {value}")
7.列表推导式
numbers =[1, 2, 3, 4, 5]squared_numbers =[x *x for xin numbers]print(squared_numbers)
8.字符串拼接
first_name ="John”last_name="Doe”full_name = first_name +"" + last_nameprint(full_name)
9.判断元素是否在列表中
fruits =["apple","banana","cherry" ]if"banana" in fruits: print("有香蕉")else: print("没有香蕉")
10.获取当前日期和时间
import datetimecurrent_datetime =datetime.datetime.now()print(current_datetime)