摘要：
s="6*8"a=eval(s)print(a)#filter与mapa=[10,20,30,40]new_list=map(lambda x:x+10,a)b=list(new_list)print(b)def x(b): c=b+10 return cc=map(x,a)d=list(c)pri 阅读全文
摘要：
#内置函数a=-3b=abs(a)print(b)#all传参数为列表或元组c=all(["a","b","1"])c1=all(["a","b",""])print(c) #Trueprint(c1) #Falsec=any(("a","b","1"))c1=any([0,"",""])print 阅读全文
摘要：
#用lambda表达式来排序a=[{"name":"zhangsan","age":10},{"name":"lisi","age":15},{"name":"wangwu","age":6}]a.sort(key=lambda x:x['age'])print(a)#func相当于一个lambda 阅读全文
摘要：
#字符串格式化s="{name} is {ss}"l={'name':'gao','ss':'mei'}s1=s.format(**l)print(s1)s="{0} is {1}"l1=['gao',"mei"]s1=s.format(*l1)print(s1)#传统的s="{name} is { 阅读全文