本文实例讲述了python常用函数与用法。分享给大家供大家参考,具体如下:
自定义函数实例
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# 定义一个函数 def printme( str ): "打印任何传入的字符串" print str ; return ; # 使用这个函数 printme( "chtml.cn" ); |
运行结果:
chtml.cn
删除一个文件函数实例
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def dellFile(pathFile): import os filename = pathFile if os.path.exist(filename): os.remove(filename) print filename return ; |
python打印金子塔
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def printPyramid(level): for i in range (level): print ' ' * (level - i - 1 ) + '*' * ( 2 * i + 1 ) printPyramid( 5 ) |
运行结果:
*
***
*****
*******
*********
python写九九乘法表
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print '\n9x9 Table\n' for i in range ( 1 , 10 ) : for j in range ( 1 , i + 1 ) : print j, 'x' , i, '=' , j * i, '\t' , # print '%d x %d = %d\t' %(j, i, j*i), print '\n' print '\nDone!' |
运行结果:
9x9 Table1 x 1 = 1
1 x 2 = 2
2 x 2 = 4
1 x 3 = 3
2 x 3 = 6
3 x 3 = 9
1 x 4 = 4
2 x 4 = 8
3 x 4 = 12
4 x 4 = 16
1 x 5 = 5
2 x 5 = 10
3 x 5 = 15
4 x 5 = 20
5 x 5 = 25
1 x 6 = 6
2 x 6 = 12
3 x 6 = 18
4 x 6 = 24
5 x 6 = 30
6 x 6 = 36
1 x 7 = 7
2 x 7 = 14
3 x 7 = 21
4 x 7 = 28
5 x 7 = 35
6 x 7 = 42
7 x 7 = 49
1 x 8 = 8
2 x 8 = 16
3 x 8 = 24
4 x 8 = 32
5 x 8 = 40
6 x 8 = 48
7 x 8 = 56
8 x 8 = 64
1 x 9 = 9
2 x 9 = 18
3 x 9 = 27
4 x 9 = 36
5 x 9 = 45
6 x 9 = 54
7 x 9 = 63
8 x 9 = 72
9 x 9 = 81
Done!
读取文件内容
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all_the_text = open ( 'thefile.txt' ).read( ) |
读取文件夹里的所有文件
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all_the_data = open ( 'abinfile' , 'rb' ).read( ) |
希望本文所述对大家Python程序设计有所帮助。
原文链接:https://blog.csdn.net/hj960511/article/details/52839627