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本文链接:https://blog.csdn.net/github_39655029/article/details/82934396
#!/usr/bin/python3
# -*- coding: utf-8 -*-
# @Time : 2018-10-3 21:10
# @Author : Manu
# @Site :
# @File : fib.py
# @Software: PyCharm
def fib(num):
if num <= 2:
result = 1
else:
result = fib(num - 1) + fib(num - 2)
return result
while True:
num = int(input('num = '))
print('斐波那契数列的第 %d 个值是 %d' % (num, fib(num)))
#!/usr/bin/python3
# -*- coding: utf-8 -*-
# @Time : 2018-10-4 10:20
# @Author : Manu
# @Site :
# @File : copy.py
# @Software: PyCharm
import copy
# 直接赋值,相当于对象引用,即就是另起一个名字
print('assignment:')
list1 = [1, 3, 5, 7, 9, 'Manu Ginobili', 20]
list2 = list1
print(list2)
# 浅拷贝(copy),拷贝父对象,不拷贝子对象
print('copy:')
list1 = [1, 3, 5, 7, 9, 'Manu Ginobili', 20]
list2 = list1.copy()
list1.append(21)
print(list1)
print(list2)
list2.append(14)
print(list1)
print(list2)
# 深拷贝(deepcopy),完全拷贝父对象及子对象
print('Deepcopy:')
list1 = [1, 3, 5, 7, 9, 'Manu Ginobili', 20]
list2 = copy.deepcopy(list1)
list1.append('Duncan')
print(list1)
print(list2)
list2.append('Paker')
print(list1)
print(list2)
#!/usr/bin/python3
# -*- coding: utf-8 -*-
# @Time : 2018-10-7 18:38
# @Author : Manu
# @Site :
# @File : multiple.py
# @Software: PyCharm
for i in range(1, 10):
for j in range(1, i + 1):
print('%d * %d = %d\t' %(i, j, i * j), end=' ')
print()
time
模块中的sleep()
方法即可;#!/usr/bin/python3
# -*- coding: utf-8 -*-
# @Time : 2018-10-7 18:47
# @Author : Manu
# @Site :
# @File : wait1s.py
# @Software: PyCharm
import time
spurs = ['Tim Duncan', 'Manu Ginobili', 'Tony Paker']
for spur in spurs:
print(spur)
time.sleep(1)
time
模块的strftime()
方法实现;#!/usr/bin/python3
# -*- coding: utf-8 -*-
# @Time : 2018-10-7 18:54
# @Author : Manu
# @Site :
# @File : wait1s_format.py
# @Software: PyCharm
import time
print('当前时间:')
print(time.strftime("%Y-%m-%d %H:%M:%S %a", time.localtime()))
time.sleep(1)
print('等待一秒后时间:')
print(time.strftime("%Y-%m-%d %H:%M:%S %a", time.localtime()))