常用函数
import random
random.random() 生成0到1之间的小数
random.randint(begin, end) 生成[begin, end]之间的整数
random.randrange(begin, end) 生成[begin, end)之间的整数
例如:
#!/usr/bin/env python #_*_ coding:UTF-8 _*_ if __name__ == "__main__": module_name = "yield_test" func_name = "MyReadLines" module = __import__(module_name) function = getattr(module, func_name) print function()
结果如下:
/Users/liudaoqiang/PycharmProjects/numpy/venv/bin/python /Users/liudaoqiang/Project/python_project/day09/random_test.py 0.370443652026 3 1 Process finished with exit code 0
生成验证码:
#!/usr/bin/env python # _*_ coding:UTF-8 _*_ import random def randomCapture(len): ''' 生成指定长度的数字和字母组合验证码 :param len: :return: ''' code_list = [] for i in range(len): if i == random.randint(1, len): code_list.append(str(random.randint(1, len))) else: code_list.append(chr(random.randint(65, 90))) return "".join(code_list) if __name__ == "__main__": print randomCapture(6)