예제 #1
0
# -*- coding: UTF-8 -*-
"""
@author: YaoLei
@license: (C) Copyright 2011-2019.
@contact: [email protected]
@software: Lei
@file: P7_PythonBasic_07_基本输入输出和模块对象导入.py
@time: 2019/10/4 6:29 下午
"""
import math  # 导入模块
from math import cos  # 导入模块中的某一个函数
from math import tan as t  # 导入模块中的函数，并起别名
# 1.4.7学习基本输入输出和模块对象的导入
a = 3
b = 7
print("a,b的值分别为：{0},{1}".format(a, b))
del b
print("a的值为：{0}".format(a))
x = input("请输入您的姓名:")  # 输入，input的返回值都是字符串
print(x)  # 输出
path = r"/Users/yaolei/PycharmProjects/PythonBase/Python Program Design By Dong Fu Guo/测试文本.txt"
fp = open(path, 'a+')
print("内容写入的文本中", file=fp)
fp.close()
for i in range(5, 10):
    print(i, end=' ')

print(math.sin(30))  # 导入math模块
print(cos(45))  # 导入math中的cos函数
print(t(45))  # 导入math模块中的tan函数，并起别名
예제 #2
0
def m(a, b):
    x, y = t(a)
    u, v = t(b)

    return h(x, u) + h(y, u) + h(x, v) + j(int(y), int(v))
예제 #3
0
from math import trunc as t
print('Digite a seguir um número real para verificar sua porção inteira')
num = float(input('Digite o número desejado:'))
print('A porção inteira de {} é {}.'.format(num, t(num)))
예제 #4
0
from math import trunc as t
valor = float(input('Digite um valor: '))
porcao = t(valor)
print(f'O valor digitado foi {valor} e a sua porção inteira é {porcao}')
예제 #5
0
#import all with package
import math as m
print m.sin(3.14)

#import functions without package
from math import cos, tan as t, log
print cos(3.14)
print t(3.14)

#import all without package
from math import *
예제 #6
0
def golf(h):return round(min([t(*i[0])+sum([t(j[0]-k[0],j[1]-k[1])for j,k in zip(i,i[1:])])for i in [i for i in p(h)]]),2)

print golf({(2, 2), (2, 8), (8, 8), (5, 5), (8, 2)})
예제 #7
0
print('List after math "imported as m" is executed')
print(dir())
print('pi=', m.pi)
print('tan(1)=', m.tan(1))
del(m)
print(end='\n')
print('List after m is deleted from main:')
print(dir())

#import selectively into __main__
from math import pi as p, tan as t
print(end='\n')
print('List after import is executed')
print(dir())
print('pi=', p)
print('tan(1)=', t(1))
del(p,t)
print(end='\n')
print('List after module is deleted from main:')
print(dir())
# i.e. from math import pi,tan
#import selectively with aliases
#from math import pi as pie, tan as tangent
#use wildcard import --> from math import *
from math import *
print(end='\n')
print('list of modules * in math')
print(dir())