"""Showing how to understand python error `not enough values to unpack (expected 3, got 2)`""" # a dict, which single key's value is two part tuple valueIsTwoPartTupleDict = { "name1": ("lastname1", "email1"), "name2": ("lastname2", "email2"), } # Test case 1: got...
# 打包操作 a = 1, 10, 100 print(type(a)) # <class 'tuple'> print(a) # (1, 10, 100) # 解包操作 i, j, k = a print(i, j, k) # 1 10 100 在解包时,如果解包出来的元素个数和变量个数不对应,会引发ValueError异常,错误信息为:too many values to unpack(解包的值太多)或not enou...
Tuple = ("a", "b", "c") # Packing (x, y, z) = Tuple # ValueError: too many values to unpack (expected 2) (x, y, z, i) = Tuple # ValueError: not enough values to unpack (expected 4, got 3) 8. Named tuples Python提供了一种来自模块的特殊类型的函数,名为namedtuple()collec...
line 1, in <module>ValueError: not enough values to unpack (expected 3, got 2)>>> a, b = [1, 2, 3]Traceback (most recent call last ): File "<stdin>", line 1, in <module>ValueError: too many values to unpack (expected 2) ...
这个错误经常出现在解包(unpacking)操作时,尤其是当返回的值数量不匹配预期时。在本篇博客中,我将为大家详细讲解这个错误的原因以及如何快速解决它,附上代码示例和调试技巧,让你轻松应对这个问题。...摘要 在Python编程中,ValueError: too many values to u...
>>> cat = ['fat', 'gray', 'loud'] >>> size, color, disposition, name = cat Traceback (most recent call last): File "<pyshell#84>", line 1, in <module> size, color, disposition, name = cat ValueError: not enough values to unpack (expected 4, got 3) 将enumerate()函数用于...
Tuple = ("a", "b", "c") for x in Tuple: print(x) 4. Check if an item exist in tuple 要检查一个元组是否包含给定的元素,我们可以使用'in'关键词和'not in'关键词。 检查项目是否存在于元组中 Tuple = ("a", "b", "c", "d", "e", "f") ...
ValueError: not enough values to unpack (expected 3, got 2) >>> a, b = [1, 2, 3] Traceback (most recent call last ): File "<stdin>", line 1, in <module> ValueError: too many values to unpack (expected 2) 1. 2. 3. ...
错误信息为：too many values to unpack（解包的值太多）或not enough values to unpack（解包的值不...
51CTO博客已为您找到关于python unpack数据的相关内容,包含IT学习相关文档代码介绍、相关教程视频课程,以及python unpack数据问答内容。更多python unpack数据相关解答可以来51CTO博客参与分享和学习,帮助广大IT技术人实现成长和进步。