1.变量
nums_of_alex
不允许数字开头,不允许特殊字符。可以下划线开头
以下关键字不能声明为变量名
[‘and‘, ‘as‘, ‘assert‘, ‘break‘, ‘class‘, ‘continue‘, ‘def‘, ‘del‘, ‘elif‘, ‘else‘, ‘except‘, ‘exec‘, ‘finally‘, ‘for‘, ‘from‘, ‘global‘, ‘if‘, ‘import‘, ‘in‘, ‘is‘, ‘lambda‘, ‘not‘, ‘or‘, ‘pass‘, ‘print‘, ‘raise‘, ‘return‘, ‘try‘, ‘while‘, ‘with‘, ‘yield‘]
a=3
id(a) 看内存地址
2. if elif else 判断语句
强制缩进
3.
‘’‘
’‘’
#隐藏
4. 选中+tab键 整理代码
5. while True :
count = 0
while count < 3 :
count +=1
判断
if :
elif :
else:
for i in range(1,100,10)
原文:http://www.cnblogs.com/jack2017/p/7103713.html