1. 输出字符串
>>> strHello = ‘Hello World‘
>>> print (strHello)
Hello World
2. 格式化输出整数
支持参数格式化,与C语言的printf类似
>>> strHello = "the length of (%s) is %d" %(‘Hello World‘,len(‘Hello World‘))
>>> print (strHello)the length of (Hello World) is 11
3. 格式化输出16进制,十进制,八进制整数
#%x --- hex 十六进制#%d --- dec 十进制#%o --- oct 八进制 >>> nHex = 0xFF>>> print("nHex = %x,nDec = %d,nOct = %o" %(nHex,nHex,nHex))nHex = ff,nDec = 255,nOct = 377
4.格式化输出浮点数(float)
import math >>> print(‘PI=%f‘%math.pi)PI=3.141593>>> print ("PI = %10.3f" % math.pi)
PI = 3.142>>> print ("PI = %-10.3f" % math.pi)
PI = 3.142 >>> print ("PI = %06d" % int(math.pi))PI = 000003
5. 格式化输出浮点数(float)
>>> precise = 3>>> print ("%.3s " % ("python"))pyt
>>> precise = 4>>> print ("%.*s" % (4,"python"))pyth
>>> print ("%10.3s " % ("python")) pyt
6.输出列表(List)
输出列表
>>> lst = [1,2,3,4,‘python‘]>>> print (lst)[1, 2, 3, 4, ‘python‘]
输出字典
>>> d = {1:‘A‘,2:‘B‘,3:‘C‘,4:‘D‘}
>>> print(d)
{1: ‘A‘, 2: ‘B‘, 3: ‘C‘, 4: ‘D‘}
7. 自动换行
print 会自动在行末加上回车,如果不需回车,只需在print语句的结尾添加一个逗号”,“,就可以改变它的行为。
>>> for i in range(0,6): print (i,)
012345
或直接使用下面的函数进行输出:
>>> import sys>>> sys.stdout.write(‘Hello World‘)Hello World
时间: 2024-10-13 11:15:36