python基础教程——学习代码

# -*- coding: utf-8 -*-
"""
Created on Fri Jun 21 16:22:41 2019

@author: Administrator
"""

1//2
10%3

x=input("x:")
y=input("y:")
print(int(x)*int(y))

pow(2,3) 
from math import sqrt
sqrt(16)

import cmath
cmath.sqrt(-1)

(1+3j)*(9+4j)

name=input('What your name?:')
print('Hello,'+name+'!')

x="Hello."
y="world!"
x+y

edward=['df',42]
john=['sf',50]
database=[edward,john]
database

list('Hello')

dirs='', 'user','bin','env'
dirs

d={'title':'Python Web Site', 'url': 'http://www.python.org','spam':0}
d.items()
it=d.iteritems()
it
list(it)