Soluții pentru problemele tale IT
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[mai mult...]The “KeyError” occurs when you try to access a dictionary key that doesn’t exist in the dictionary. This error typically indicates that you are referencing a key that is not present in the dictionary.
Consider the following code snippet:
student = {‘name’: ‘John’, ‘age’: 20}
print(student[‘grade’])
In this example, the dictionary student contains the keys 'name' and 'age'. However, when you try to access student['grade'], which is not a valid key in the dictionary, the “KeyError” occurs.
The “IndexError” occurs when you try to access an index of a sequence (such as a list or a string) that is outside the valid range of indices. This error typically indicates that you are trying to access an element at an index that doesn’t exist in the sequence.
Let’s consider the following code snippet:
In this example, the list numbers contains three elements, indexed as 0, 1, and 2. However, when you try to access numbers[3], which is outside the valid range, the “IndexError” occurs.
This error occurs when you attempt to perform an operation between incompatible data types, specifically when trying to concatenate (add) an integer and a string.
Error Message:
TypeError: unsupported operand type(s) for +: ‘int’ and ‘str’
[mai mult...]The NameError is a common error in Python that occurs when you try to use a variable that has not been defined or is out of scope. This error typically arises when you mistype a variable name or when you use a variable before it has been assigned a value.
Error Message:
NameError: name ‘variable_name’ is not defined
[mai mult...]Dacă aveți blocnotesuri OneNote 2016 în SharePoint, veți observa că sunt stocate de obicei în bibliotecile de documente. Dacă biblioteca SharePoint pe care o utilizați are activată oricare dintre proprietățile următoare, aceasta poate determina o eroare de sincronizare în OneNote:
