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Asked by Anurag Singh Last Modified
Answer 
Rizwan
Senior Software Engineer/Java Full Stack Developer.
public class DemoApplication {
public static void main(String[] args) {
//SpringApplication.run(DemoApplication.class, args);
List<Order> list=new ArrayList();
list.add(new Order("34587", 163.8));
list.add(new Order("98762", 284.0));
list.add(new Order("77226", 98.85));
list.add(new Order("88112", 74.97));
System.out.println("Before Processing List orders :: "+list);
int index=-1;
for(Order order: list) {
index++;
if(order.getPrice()<100) {
order.setPrice(order.getPrice()+10);
list.set(index, order);
}
}
System.out.println("After processing List orders :: "+list);
}
}
class Order{
private String orderNo;
private double price;
public Order(String orderNo, double price) {
super();
this.orderNo = orderNo;
this.price = price;
}
public void setOrderNo(String orderNo){
this.orderNo=orderNo;
}
public String getOrderNo(){
return orderNo;
}
public void setPrice(double price){
this.price=price;
}
public double getPrice(){
return price;
}
@Override
public String toString() {
return "Order [orderNo=" + orderNo + ", price=" + price + "]";
}
}
read less
Hello Anurag,
As per your question,
Input:- a list of tuples with two values (order-number: string, total-order-cost: float) each
Output:- the updated list of tuples.
Condition: When b < 100, b = b + 10 where b: total-order-cost (product of the price per items and the quantity) for every tuple of (a, b) in the input list.
Program:
1) With regular for-loop:
# You might use list(input()) to read list from user input.
inputList = [('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97)]
outputList = []
for _tuple in inputList:
if (_tuple[1] < 100):
outputList.append((_tuple[0], _tuple[1]+10))
else:
outputList.append((_tuple[0],_tuple[1]))
print('Updated List:',outputList)
PS: Since tuples are immutable (cannot change it's value further) in python, we used one more list instead of replacing the given input list itself.
2) With list-comprehension:-
inputList = [('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97)]
def getUpdatedList(inputList):
return [(ele[0], ele[1]+10) if (ele[1]) < 100 else (ele[0], ele[1]) for ele in inputList]
outputList = getUpdatedList(inputTuple)
print(outputList)
Or simply,
print([(ele[0], ele[1]+10) if (ele[1]) < 100 else (ele[0], ele[1]) for ele in inputList])
Feel free to ask me any further questions. Happy Coding!!!
read less
Hello Anurag,
As per your question,
Input:- a list of tuples with two values (order-number: string, total-order-cost: float) each
Output:- the updated list of tuples.
Condition: When b < 100, b = b + 10 where b: total-order-cost (product of the price per items and the quantity) for every tuple of (a, b) in the input list.
Program:
1) With regular for-loop:
# You might use list(input()) to read list from user input.
inputList = [('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97)]
outputList = []
for _tuple in inputList:
if (_tuple[1] < 100):
outputList.append((_tuple[0], _tuple[1]+10))
else:
outputList.append((_tuple[0],_tuple[1]))
print('Updated List:',outputList)
PS: Since tuples are immutable (cannot change it's value further) in python, we used one more list instead of replacing the given input list itself.
2) With list-comprehension:-
inputList = [('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97)]
def getUpdatedList(inputList):
return [(ele[0], ele[1]+10) if (ele[1]) < 100 else (ele[0], ele[1]) for ele in inputList]
outputList = getUpdatedList(inputTuple)
print(outputList)
Or simply,
print([(ele[0], ele[1]+10) if (ele[1]) < 100 else (ele[0], ele[1]) for ele in inputList])
Feel free to ask me any further questions. Happy Coding!!!
read less
Hello Anurag,
As per your query,
Input:- a list of tuples with two values (order-number: string, total-order-cost: float) each
Output:- the updated list of tuples.
Condition: When b < 100, b = b + 10 where b: total-order-cost (product of the price per items and the quantity) for every tuple of (a, b) in the input list.
Program:
1) With regular for-loop:
# You might use list(input()) to read list from user input.
inputList = [('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97)]
outputList = []
for _tuple in inputList:
if (_tuple[1] < 100):
outputList.append((_tuple[0], _tuple[1]+10))
else:
outputList.append((_tuple[0],_tuple[1]))
print('Updated List:',outputList)
PS: Since tuples are immutable (cannot change it's value further) in python, we used one more list instead of replacing the given input list itself.
2) With list-comprehension:-
inputList = [('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97)]
def getUpdatedList(inputList):
return [(ele[0], ele[1]+10) if (ele[1]) < 100 else (ele[0], ele[1]) for ele in inputList]
outputList = getUpdatedList(inputTuple)
print(outputList)
Or simply,
print([(ele[0], ele[1]+10) if (ele[1]) < 100 else (ele[0], ele[1]) for ele in inputList])
Feel free to ask me any further questions. Happy Coding!!!
read less
Hello Anurag,
As per your query,
Input:- a list of tuples with two values (order-number: string, total-order-cost: float) each
Output:- the updated list of tuples.
Condition: When b < 100, b = b + 10 where b: total-order-cost (product of the price per items and the quantity) for every tuple of (a, b) in the input list.
Program:
1) With regular for-loop:
# You might use list(input()) to read list from user input.
inputList = [('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97)]
outputList = []
for _tuple in inputList:
if (_tuple[1] < 100):
outputList.append((_tuple[0], _tuple[1]+10))
else:
outputList.append((_tuple[0],_tuple[1]))
print('Updated List:',outputList)
PS: Since tuples are immutable (cannot change it's value further) in python, we used one more list instead of replacing the given input list itself.
2) With list-comprehension:-
inputList = [('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97)]
def getUpdatedList(inputList):
return [(ele[0], ele[1]+10) if (ele[1]) < 100 else (ele[0], ele[1]) for ele in inputList]
outputList = getUpdatedList(inputTuple)
print(outputList)
Or simply,
print([(ele[0], ele[1]+10) if (ele[1]) < 100 else (ele[0], ele[1]) for ele in inputList])
Feel free to ask me any further questions. Happy Coding!!!
read less
Hello Anurag,
Here is a simpler solution ...
OUTPUT = [ ('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97) ]
oL, OUTPUTL = [], []
oT = ()
for i in range(len(OUTPUT)):
# convert the tuple to list
oL.append(list(OUTPUT[i]))
if oL[i][1] < 100.00:
# make the changes to the price
oL[i][1] += 10.00
# convert the list back to tuple
oT = tuple(oL[i])
# append the tuple to the list
OUTPUTL.append(oT)
# overwrite the original OUTPUT
OUTPUT = OUTPUTL
print("OUTPUT", OUTPUT)
read less
OUTPUT = [ ('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97) ]
oL, OUTPUTL = [], []
oT = ()
for i in range(len(OUTPUT)):
# convert the tuple to list
oL.append(list(OUTPUT[i]))
if oL[i][1] < 100.00:
# make the changes to the price
oL[i][1] += 10.00
# convert the list back to tuple
oT = tuple(oL[i])
# append the tuple to the list
OUTPUTL.append(oT)
# overwrite the original OUTPUT
OUTPUT = OUTPUTL
print("OUTPUT", OUTPUT)
Deepak
I have cracked IES exam,GATE,many PSU. And I would love to deliver the knowledge I have got.
Hi Anurag,
Hope You are doing well with your coding,
As per your requirement,
# this is the input
OUTPUT= [ ('34587',163.8),('98762',284.0),('77226',98.85),('88112',74.97) ]
# this is the output list in which your output will come
ol=[]
for i in OUTPUT:
if i[1]<100 :
ol.append((i[0],i[1]+10))
else:
ol.append((i[0],i[1]))
print(ol)
Because Tuples are immutable,An Empty list has been taken to fill the required output.
I hope this piece of code solves your problem.Actually it can be solved in other ways also.
Regards
Deepak
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