标签:基础学习 for today 类型 and 用户名 name range break
‘‘‘import random #随机数标准库
name ="let‘s go"
age=11
title=‘你好"python"‘
content=‘"how old are you‘加油‘"
print(type(age)) #打印age变量类型
print(name)#输出name变量
#age=input(‘请输入你的年龄‘) #input接收输入的值,且输入进来的都是string类型
num=random.randint(1,10)#输出随机数
print(num)
‘‘‘
#密码不回显getpass在pycharm中不生效
#import getpass
#password=getpass.getpass(‘请输入密码:‘)
#print(password)
#----------------------if 语法类型 if 条件 : else:
#age=input(‘请输入年龄:‘)
#age=int(age)
#if age <18:
# print(‘未成年人‘)
#else:
# print(‘成年人‘)
#------------------多重if判断
# score =input(‘请输入你的分数:‘)
# score=int(score)
# if score >=90:
# print(‘成绩优秀‘)
# elif score <90 and score >=80:
# print(‘成绩优良‘)
# elif score >=60:
# print(‘成绩及格‘)
# else:
# print(‘成绩未及格‘)
#--------------whille 循环 count计数器
# n=10
# count=0
# while count <n:
# print(count)
# count +=1
#-------------while else 判断
#
# num =5
#
# count =0
# while count<3:
# guess=input(‘请输入你猜得数字:‘)
# guess=int(guess)
# if guess <num:
# print(‘猜小了‘)
# elif guess >num:
# print(‘猜大了‘)
# else:
# print(‘猜对了‘)
# break
# count +=1
# else:
# print(‘猜奖次数已用完‘)
#------------for 循环
#num=5
#count=0 for循环中 count变量会自增 0-3
# for count in range (3):
# guess =input(‘请输入你猜得数字:‘)
# guess=int(guess)
# if guess <num:
# print(‘猜小了‘)
# elif guess>num:
# print(‘猜大了‘)
# else:
# print(‘猜对了‘)
# break
# print(‘次数已用完‘)
#---------------占位符 输出 %s 字符串 %d 整数 %.2f:保留两位小数 占位符 后面%(变量1,变量2)
# import datetime
# today1=datetime.date.today();
# welcome= ‘欢迎光临今天得日期是:‘ + today1
#print(welcom)
#welcom1=‘欢迎光临今天得日期是:%s‘%(today1)
#print(welcom1)
username = input(‘请输入用户名‘)
# welcome = ‘欢迎光临‘ + username #这种种方式,不推荐使用,浪费内存
# print(welcome)
welcome=‘欢迎光临{yourname}‘.format(yourname=username)
print(welcome)
标签:基础学习 for today 类型 and 用户名 name range break
原文地址:https://www.cnblogs.com/azahui/p/12067876.html