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Python - How to send values between functions once


By : user2174223
Date : October 18 2020, 08:10 PM
I wish this help you If get_info() return value does not change, you could call it once before entering while loop and pass the return value of get_info() as a parameter to get_json() along with thread
code :


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Send two argument using map and lambda functions and return two values


By : Natty
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Since you say you only want a single model, not a new model for each value, this is fairly simple. Change:
code :
hnd = map(lambda (valua): function_f(valua), list_value)
model = ... initialize a model that will be passed to every call ...
hnd = map(lambda valua: function_f(valua, model), list_value)
def function_f(val, model):
    ... calculate newval and make newmodel ...
    return newval
def function_f(val, model):
    ... calculate newval and make newmodel ...
    return newval, newmodel
from future_builtins import map  # Only on Py2; Py3 map is good

from itertools import repeat

model = ... initialize a model that will be passed to every call ...
hnd = map(function_f, list_value, repeat(model))
# Change outside parens to brackets, [], for list comp
hnd = (function_f(x, model) for x in list_value)

What's different from these two functions using send in python


By : S Scott
Date : March 29 2020, 07:55 AM
may help you . I am learning generator in python,here the functions: ,
how the send function work in generator?
code :
def counter():
    total = 0

    while True:
        increment = yield total  #If next() was called, 
                                 #increment is assigned None. 
                                 #If send() was called,
                                 #increment is assigned send()'s argument.

        if increment:
            total += increment
        else:
            total += 1


g = counter()
print(next(g))
print(next(g))
print(g.send(3))
print(next(g))

--output:--
0
1
4
5
a:  number = 2
    number += 1
    number += 1

b:  number = 2
    number = 1
    number += 1
    number = 1
    number += 1

Returning Functions or Values: recursive python functions


By : sarath
Date : March 29 2020, 07:55 AM
it should still fix some issue Would anyone be willing to explain why the first does not work, but the second does? , You're not returning in the first case:
code :
def _pareRotation(degs):
    if degs > 360:          
        _pareRotation(degs - 360)
#      ^

How to send multiple integer values using s.send in python


By : sundarajan k
Date : March 29 2020, 07:55 AM
it should still fix some issue You have received all available data sent with n=int((c.recv(2048)).decode('utf-8')); the consequenct c.recv() call blocks waiting for data.
Send both numbers together separated by a delimiter and split on that on the server side:
code :
s.sendall(str.encode("\n".join([str(n), str(e)])))
n, e = [int(i) for i in c.recv(2048).decode('utf-8').split('\n')]

one bug in my code, I used Classes in python and define some functions inside but the values that passed to functions ar


By : gor mihir
Date : March 29 2020, 07:55 AM
will be helpful for those in need You assigned strings to the undefined on init every time . You need to use self on all defs. I updated your code here. I hope it will work for you.
code :
class TripleString:
  Max_Len=50
  Min_Len=1
  def __init__(self,string1="Undefined1",string2="Undefined2",string3="Undefined3"):
    if(TripleString.get_string1_from_user(self)):
      print("in init, string1=", string1)
    else:
      self.string1=string1
    if(TripleString.get_string2_from_user(self)):
      print("in init, string2=", string2)
    else:
      self.string2=string2
    if(TripleString.get_string3_from_user(self)):
      print("in init, string3=", string3)
    else:
      self.string3=string3

  def valid_string(self,str):
    if(len(str)<TripleString.Min_Len or len(str)>TripleString.Max_Len):
      return False
    else:
      return True

  def set_string1(self,str1):
    if(self.valid_string(str1)):
      self.string1=str1
      print("String set to",str1)
      return True
    else:
      print("string not set since the len is not valid")
      return False
  def set_string2(self,str2):
    if(self.valid_string(str2)):
      self.string2=str2
      print("String set to",str2)
      return True
    else:
      print("string not set since the len is not valid")
      return False
  def set_string3(self,str3):
    if(self.valid_string(str3)):
      self.string3=str3
      print("String set to",str3)
      return True
    else:
      print("string not set since the len is not valid")
      return False
  def get_string1_from_user(self):
    str=input("STR1:")
    print("in get_str1 from user, str=", str)
    if(self.set_string1(str)):
      return True
    else:
      return False
  def get_string2_from_user(self):
    str=input("STR2:")
    print("in get_str2 from user, str=", str)
    if(self.set_string2(str)):
      return True
    else:
      return False
  def get_string3_from_user(self):
    str=input("STR3:")
    print("in get_str3 from user, str=", str)
    if(self.set_string3(str)):
      return True
    else:
      return False

x=TripleString()
print(x.string1,x.string2,x.string3)
STR1: Sample1
in get_str1 from user, str= Sample1
String set to Sample1
in init, string1= Undefined1
STR2: Sample2
in get_str2 from user, str= Sample2
String set to Sample2
in init, string2= Undefined2
STR3: Sample3
in get_str3 from user, str= Sample3
String set to Sample3
in init, string3= Undefined3
Sample1 Sample2 Sample3
STR1: Sample1
in get_str1 from user, str= Sample1
String set to Sample1
in init, string1= Undefined1
STR2: uduahydaugdadhjksahdjkahsjkdhasjdhjksahdjkashdjksahdjkashjkdsahkjdhjksahdjksad
in get_str2 from user, str= uduahydaugdadhjksahdjkahsjkdhasjdhjksahdjkashdjksahdjkashjkdsahkjdhjksahdjksad
string not set since the len is not valid
STR3: sample3
in get_str3 from user, str= sample3
String set to sample3
in init, string3= Undefined3
Sample1 Undefined2 sample3
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