标签:ring line value dict index class href code http
一)增加一个或多个元素
d = {‘a‘: 1}
d.update(b=2) #也可以 d.update({‘b’: 2})
print(d)-->{‘a‘: 1, ‘b‘: 2} d.update(c=3, d=4)print(d)-->{‘a‘: 1, ‘c‘: 3, ‘b‘: 2, ‘d‘: 4} d[‘e‘] = 5print(d)-->{‘a‘: 1, ‘c‘: 3, ‘b‘: 2, ‘e‘: 5, ‘d‘: 4}d.update({‘f‘: 6, ‘g‘: 7}) #即d.update(字典)print(d)-->{‘a‘: 1, ‘c‘: 3, ‘b‘: 2, ‘e‘: 5, ‘d‘: 4, ‘g‘: 7, ‘f‘: 6}标签:ring line value dict index class href code http
原文地址:https://www.cnblogs.com/kaibindirver/p/10743695.html