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>>> strHello = 'Hello World'
>>> print (strHello)
Hello World
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
#%x --- hex 十六进制#%d --- dec 十进制#%o --- oct 八进制
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
>>> precise = 3 >>> print ("%.3s " % ("python")) pyt
>>> precise = 4 >>> print ("%.*s" % (4,"python")) pyth
>>> print ("%10.3s " % ("python")) pyt
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'}
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,)
0 1 2 3 4 5
或直接使用下面的函数进行输出:
>>> import sys >>> sys.stdout.write('Hello World')