What are some examples of the match statement in Python?
The match statement in Python is used for pattern matching. Here are a few examples:
match value:
case 1:
print('One')
case 2:
print('Two')
case _:
print('Other')
match sequence:
case [1, 2, 3]:
print('Matched a list with 1, 2, 3')
case _:
print('Did not match')
match value:
case x if x > 0:
print('Positive number')
case x if x < 0:
print('Negative number')
case _:
print('Zero')
Can you explain the guard clause in the match statement?
Sure! A guard clause in a match statement allows you to add an additional condition to a case. It uses the if
keyword to specify a condition that must be true for that case to match. For example:
match value:
case x if x > 0:
print('Positive')
case x if x < 0:
print('Negative')
case _:
print('Zero')
In this example, the first case will only match if value
is greater than 0.
What are the advantages of using the match statement over if-elif?
The match statement offers several advantages:
Are there any limitations to the match statement?
Yes, there are some limitations:
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