标签：
1.print
(1)打印的第一句 。。。。
1 print " Hello World! "
注意""和‘‘的使用
1 print "i‘m paul" # 对 2 3 print ‘i‘m paul‘ # 错 改为 ‘i \‘m paul‘
以及""" """和‘‘‘ ‘‘‘的使用
1 print """ 2 3 Hello World! 4 5 Hello World! 6 7 Hello World! 8 9 """
(2)逗号
print "hello world ",‘abc‘ print "i am paul "
结果：
hello world abc
i am paul
print "hello world " ‘abc‘ print "i am paul "
结果：
hello world abc
i am paul
print "hello world" ‘ abc‘, print "i am paul"
结果：
hello world abci am paul
print "hello world" ‘ abc‘, "i am paul"
语法错误
(3）运算符号
print "now i will count the eggs:" print 3+1+2-5+4%2-1/4 print 3+2>4-2
结果：
now i will count the eggs:
1
True
(4)变量及打印
name = "paul" age = 20 height = 70 print "let‘s talk about %s"%name print "he‘s %d years old"%age print "he‘s %d inches tall"%height print "let‘s talk about %r"%name print "he‘s %r years old"%age print "he‘s %r inches tall"%height
print "if i add %d and %d,i get %d."%(age,height,age+height)
let‘s talk about paul
he‘s 20 years old
he‘s 70 inches tall
let‘s talk about "paul"
he‘s 20 years old
he‘s 70inches tall
if i add 20 and 70,i get 90
x = "there are %d types of people."%10 print x print "i said :%r "%x y = "isn‘t that joke so funny? %r" z = False print y%z a = "this is the left of" b = "a string with a right side" print a + b
结果：
there are 10 types of people.
i said :there are 10 types of people.
isn‘t that joke so funny?False
this is the left of a string with a right side
print "ab " *10
结果：
ab ab ab ab ab ab ab ab ab ab
formatter = "%r %r %r" print formatter %(1,2,3) print formatter %("one","two","three") print formatter %(True,False,True) print formatter %( "i had this string", "that you could ", "type up right" )
1 2 3
‘one‘ ‘two‘ ‘three‘
True False True
‘i had this string‘ ‘that you could‘ ‘ type up right‘
1 a = "a\nb\nc\n" 2 print a
结果：
a
b
c
标签：
原文地址：http://www.cnblogs.com/cs-player1/p/4802297.html
