"""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...
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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...
j, k, l, m, n = a # ValueError: not enough values to unpack (expected 6, got 4)有...
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") ...
2]Traceback (most recent call last ): File "<stdin>", 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 (expect...
Traceback (most recent call last ): File "/Users/chenxiangan/pythonproject/demo/exmpale.py", line 2, in <module> a_list.append (3) AttributeError: 'tuple' object has no attribute 'append' 这里尝试给 a_list 对象进行 append 操作但是引发了异常, ...
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...
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. ...
a,b=t1 ValueError: too many value to unpack (拆包) expected(期望) x,y,z=(6,) ValueError: not enough values to unpack expected 3,got 1 ''' 1t1=(2,5,9)2a,b,c=t13print(a,b,c)4a=t15print(a) #变量个数与元组个数不一致 ...