![A python codeblock
l = []
for i in range(2):
l.append(lambda: print(i))
for f in l:
f()
The result is 1 1](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:z324ssr6klaz5iqzm5obw25m/bafkreicmo4gy334bamo4oz33fe2wzot2n2c5ahcoshxkjt4d2w6n3omtaa)
A python codeblock l = [] for i in range(2): l.append(lambda: print(i)) for f in l: f() The result is 1 1
![l = []
for i in range(2):
l.append(lambda i=i: print(i))
for f in l:
f()
The Result is 0 1](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:z324ssr6klaz5iqzm5obw25m/bafkreiejzmxhm4hjgzxyj6y22ywqkdxr3wdlrkjdbgiwmcaddging62h7e)
l = [] for i in range(2): l.append(lambda i=i: print(i)) for f in l: f() The Result is 0 1
Today I learned: Using variables in Python lambdas is weird
Apparently they store the variable names and not the values. Like a reference, even for primitives. But if you supply the value as a default argument, it works as intended.
#python #programming #programmerhumor #TIL
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