PYTHON学习实例1

MeowRain
2020年11月05日 阅读:193
问题实例
# 问题实例
name = input('What is your name ?')
print('hello,my friends' + ' ' + name)
fav_color = input('what is your favourite color')
print(name + 'likes ' + fav_color)
年龄计算实例1
age = input('你的年龄:')
print(type(age)) #可用type查看类型
birth_year = 2020 - int(age)
print(type(birth_year))
print(birth_year)
年龄计算实例2
birth_time = input('你的出生年')
nage = 2020 - int(birth_time)
print(nage)
引号的使用
course = "MGSY's Blog is very good!" # 使用单引号和双引号
coursetwo = 'MGSY "BLOG" is very good!'
#三引号使用
quote = '''
HI john,
thanks for your reply
Support team
'''
print(quote)
print(course)
print(coursetwo)
方括号的使用
name = 'MGSY "bLOG " is very good'
print(name[0]) #第一个字符
print(name[1])#第二个字符
print(name[2])#第三个字符
print(name[-1])#从右面开始第一个字符
print(name[0:3])#从左起到第三个字符