zoukankan      html  css  js  c++  java
  • python 条件控制语句

    # -*- coding: utf-8 -*-


    '''
    if语句


    if-else语句


    if-elif-else语句
    格式:
    if 表达式1:
    语句1
    elif 表达式2:
    语句2
    elif 表达式3:
    语句3
    ……
    elif 表达式n:
    语句n
    else: #可有可无
    语句e

    逻辑:当程序执行到if-elif-else语句时,首先计算“表达式1”的值,如果“表达式1”的值为真,则执行“语句1”,执行完“语句1”,则跳过整个if-elif-else语句。如果“表达式1”的值为假,计算“表达式2”的值。如果“表达式2”的值为真,则执行“语句2”,执行完“语句2”,则跳过整个if-elif-else语句。如果“表达式2”的值为假,计算“表达式3”的值。如此下去直到某个表达式的值为真才停止,如果没有一个真的表达式,且有else,则执行“语句e”
    '''


    age = int(input())

    '''
    if age < 0:
    print("娘胎里")
    if age >=0 and age <= 3:
    print("婴儿")
    if age >=4 and age <= 6:
    print("儿童")
    if age >=7 and age <= 18:
    print("童年")
    if age >=19 and age <= 30:
    print("青年")
    if age >=31 and age <= 40:
    print("壮年")
    if age >=41 and age <= 50:
    print("中年")
    if age >=51 and age <= 100:
    print("老年")
    if age >=101 and age <= 150:
    print("老寿星")
    if age > 150:
    print("老妖怪")
    '''

    '''
    if age < 0:
    print("娘胎里")
    elif age >=0 and age <= 3:
    print("婴儿")
    elif age >=4 and age <= 6:
    print("儿童")
    elif age >=7 and age <= 18:
    print("童年")
    elif age >=19 and age <= 30:
    print("青年")
    elif age >=31 and age <= 40:
    print("壮年")
    elif age >=41 and age <= 50:
    print("中年")
    elif age >=51 and age <= 100:
    print("老年")
    elif age >=101 and age <= 150:
    print("老寿星")
    else:
    print("老妖怪")
    '''


    if age < 0:
    print("娘胎里")
    elif age <= 3:
    print("婴儿")
    elif age <= 6:
    print("儿童")
    elif age <= 18:
    print("童年")
    elif age <= 30:
    print("青年")
    elif age <= 40:
    print("壮年")
    elif age <= 50:
    print("中年")
    elif age <= 100:
    print("老年")
    elif age <= 150:
    print("老寿星")
    else:
    print("老妖怪")

    #elif else if
    #每个el都是对它上面所有表达式的否定

    '''
    女神说:
    1、sucnk is a good man
    very good
    2、sunck is a nice man
    very nice
    3、sunck is a handsome man
    very handsome
    4、你是好人
    我们真不合适
    5、我希望我们之间存在纯洁友谊
    我们直接也就只能有友谊了
    6、你好坏啊
    我感觉我们很合适
    '''
  • 相关阅读:
    linux 安装python3
    phoenix 索引实践
    spark shuffle参数调优
    hbase 面试问题汇总
    sqlserver 自动初始化从节点数据
    hive sql 窗口函数
    数据仓库建模
    Spark DataFrame简介(二)
    list删除时java.util.ConcurrentModificationException
    mybatis中判断等于字符串的条件怎么写
  • 原文地址:https://www.cnblogs.com/pygo/p/12193902.html
Copyright © 2011-2022 走看看