how to change parent function's arguments in high order function in python
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0
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def make_repeater(f, n):
def a(x):
total = x
while n > 0:
total = f(total)
n -= 1
return total
return a
make_repeater(lambda x: x + 1, 3)(5)
get error: UnboundLocalError: local variable 'n' referenced before assignment
how to solve this problem?
python-3.x
asked Nov 8 at 8:28
Joey Wei
31
add a comment |
up vote
0
down vote
favorite
def make_repeater(f, n):
def a(x):
total = x
while n > 0:
total = f(total)
n -= 1
return total
return a
make_repeater(lambda x: x + 1, 3)(5)
get error: UnboundLocalError: local variable 'n' referenced before assignment
how to solve this problem?
python-3.x
asked Nov 8 at 8:28
Joey Wei
31
docs.python.org/3/reference/…
– bruno desthuilliers
Nov 8 at 8:46
it works, think you very much
– Joey Wei
Nov 8 at 8:56
you're welcome ;-)
– bruno desthuilliers
Nov 8 at 8:58
add a comment |
up vote
0
down vote
favorite
up vote
0
down vote
favorite
def make_repeater(f, n):
def a(x):
total = x
while n > 0:
total = f(total)
n -= 1
return total
return a
make_repeater(lambda x: x + 1, 3)(5)
get error: UnboundLocalError: local variable 'n' referenced before assignment
how to solve this problem?
python-3.x
asked Nov 8 at 8:28
Joey Wei
31
def make_repeater(f, n):
def a(x):
total = x
while n > 0:
total = f(total)
n -= 1
return total
return a
make_repeater(lambda x: x + 1, 3)(5)
get error: UnboundLocalError: local variable 'n' referenced before assignment
how to solve this problem?
python-3.x
python-3.x
asked Nov 8 at 8:28
Joey Wei
31
asked Nov 8 at 8:28
Joey Wei
31
asked Nov 8 at 8:28
Joey Wei
31
asked Nov 8 at 8:28
Joey Wei
31
asked Nov 8 at 8:28
Joey Wei
31
31
docs.python.org/3/reference/…
– bruno desthuilliers
Nov 8 at 8:46
it works, think you very much
– Joey Wei
Nov 8 at 8:56
you're welcome ;-)
– bruno desthuilliers
Nov 8 at 8:58
add a comment |
docs.python.org/3/reference/…
– bruno desthuilliers
Nov 8 at 8:46
it works, think you very much
– Joey Wei
Nov 8 at 8:56
you're welcome ;-)
– bruno desthuilliers
Nov 8 at 8:58
docs.python.org/3/reference/…
– bruno desthuilliers
Nov 8 at 8:46
docs.python.org/3/reference/…
– bruno desthuilliers
Nov 8 at 8:46
it works, think you very much
– Joey Wei
Nov 8 at 8:56
it works, think you very much
– Joey Wei
Nov 8 at 8:56
you're welcome ;-)
– bruno desthuilliers
Nov 8 at 8:58
you're welcome ;-)
– bruno desthuilliers
Nov 8 at 8:58
add a comment |
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docs.python.org/3/reference/…
– bruno desthuilliers
Nov 8 at 8:46
it works, think you very much
– Joey Wei
Nov 8 at 8:56
you're welcome ;-)
– bruno desthuilliers
Nov 8 at 8:58