1. print(print) TypeError: 'int' object is not callable
print = 3
print(print)
2.coding : utf-8
^
SyntaxError: invalid syntax
3.表达式if ...else语句
缩进 IndentationError: expected an indented block
^
IndentationError: unindent does not match any outer indentation level
SyntaxError: invalid syntax 语法错误
tab != 4个空格
缩进级别必须保持一致
注释
单行注释 用#
多行注释用三个单引号或三个双引号 '''被注释的内容'''
UTF-8 = unicode 的扩展集，可变长的字符编码集
Assic -->Gb2312 ->gbk1.0-->gb18030
Assic -->unicode -->utf-8 /utf-16
Python2.x == Assic 默认编码
#!-*- coding:utf-8 -*-
#coding:utf-8
python3.x == unicode默认编码
unicode 是向下兼容gb2312 , gbk