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
