Hello,
On 12/8/21 11:29, vani arul wrote:
Thanks for your help.
I am not good at programming.My code works perfectly.But I am bit
confused about the return values.
Binary Search Program
/def Binarysearch(a,key):
l=0
r=len(a)-1
while l<=r:
med = (l+r)//2
if key==a[med]:
return med
elif key>a[med]:
l=med+1/
/ elif key<a[med]:
r=med-1
return -1
a=[6,8,23,33,44,55,66]
found=Binarysearch(a,66)
print("result:",found)"""/
if key==a[med] condition is satisfied,the the block returns med.
But in the following block,how does it return values if there is no
return specified?
First of all please reply always to the list address!
If Python does not encounter a return statement it will continue to run
the function.
In your example the while loop will continue until the condition 'l<=r'
is true. If Python exits the while loop then there is a return -1.
BR,
Roland
Regards
Vani
On Wed, Dec 8, 2021 at 2:15 AM Roland Mueller
<roland.em0...@googlemail.com> wrote:
Hello
ti 7. jouluk. 2021 klo 19.47 vani arul (arulvan...@gmail.com)
kirjoitti:
Hey There,
Can someone help to understand how a python function can
return value with
using return in the code?
It is not not about explicit or implicit function call.
Not sure whether I understood your question: I have a simple
example about return.
* f() and h() explicitely return something
* g() and h() return None
BTW, also Python documentation tool pydoc has an article about return.
#!/usr/bin/python
def f():
return 42
def g():
pass
def h():
return
if __name__ == "__main__":
print(f"f(): {f()}")
print(f"g(): {g()}")
print(f"h(): {h()}")
Result:
f(): 42
g(): None
h(): None
Pydoc:
$ pydoc return
BR,
Roland
Thanks
Vani
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