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Er werd een Python Developer gevraagd...26 mei 2019

First Round: Write a pattern 1: Should accept only odd numbers numbers only except 2: Pattern should be fully Dynamic for n =1 @@@@@ * ** *** **** ***** ****** ***** **** *** ** * @@@@@ Second Round:n=6 * ** *** **** ****** ****** ***** **** *** ** *

7 antwoorden

num = int(input()) for i in range(num): print('@',end="") for i in range(num+2): for j in range(i): print("*",end="") print() for i in range(num,0,-1): for j in range(i): print("*",end="") print() for i in range(num): print('@',end="") Minder

num = int(input()) for i in range(num): for j in range(num): print(" ",end=" ") for j in range(num-i): print(" ",end="") for j in range(i+1): print("*",end=" ") print() for i in range(num,0,-1): for j in range(num-i+1): print(" ",end="") for j in range(i): print("*",end=" ") print() Minder

with less loops n=int(input()) print(n*"@") for i in range(1,n+2): for j in range(i): print("*",end="") print("") for i in range(n,0,-1): for j in range(i): print("*",end="") print("") print(n*"@") Minder

Weergeven Meer reacties

Find set of chars not repeated in a list.

6 antwoorden

I bet you come from C++? return [x for x in li if li.count(x) == 1]

There's actually an even simpler solution: return set(li)

A=['a', 'b,' a'] Set(a) ['a', 'b']

Weergeven Meer reacties

# n=3 * * * @ * @ * @ * * * #n=5 * * * @ * * * @ * * * @ * * * @ * * * @ * * * somewhat similar to these !

5 antwoorden

I was only able to do this : * * * @ * * * @ * * @ * @ Minder

Please elaborate your question.. How question pattern looks like. It's seems in single line and you printed in multiple lines... thank-you Minder

n = int(input("num")) print("* " ) print("* ", end="") print("* ", end="") print("@ ", end="") print("\n") for i in range(n-2, 0, -1): m = n-1-i for j in range(i): print("* " , end="") print("@ ", end="") for k in range(m): print("* ",end="") print("\n") print(" ", end="") print(" ", end="") print("@ ", end="") print("* ", end="") print("* ") for m in range(5): if m&lt;4: print(" ", end="") else: print("* ") Minder

Weergeven Meer reacties

question on list ,sets and dictionary

4 antwoorden

I have used built in methods and list

What were the questions about in the online test and face to face round

Face to face they ask related to DS al

Weergeven Meer reacties

Given a very long string composed of numbers as characters, find the four character substring that has the largest multiple. For example, given the string "809723", the two char substring with the largest multiple is "97", having a multiple 9*7 = 63.

4 antwoorden

max([functools.reduce(operator.mul, data[i-4:i]) for i in data if i &gt; 3])

max([functools.reduce(operator.mul, data[i-4:i]) for (i, e) in enumerate(data) if e &gt; 3]) Minder

def largest_2str_multipler(a): l = len(a) m = int(a)*int(a) for x in range(1,l-1): if m &lt; int(a[x])*int(a[x+1]): m = int(a[x])*int(a[x+1]) return m Minder

Weergeven Meer reacties

Write a Program to print sum of even numbers which is divisible by 8:-

4 antwoorden

what was the question in your Hackathon round?

Share the questions of hackathon round plz

It will. Be great help if someone can update here questions of Hackathon Or round 3 . Thanks! Minder

Weergeven Meer reacties

How would you triage and go about fixing infrastructure problems? Giving an input file, get the number of lines matching a specific piece of text using bash scripting. Give the percentage of lines in the file that match that string.

3 antwoorden

1.) I said hard to tell because that is a very vague question. 2.) Use grep and awk and wc. 3.) Use the above plus "bc" to calculate percentage. Minder

for: 2.) Use grep and awk and wc. I believe grep + uniq + wc would be better and simpler, right? Minder

for: 2.) Use grep and awk and wc. 'grep -c' is enough

For the years 1901 to 2000, count the total number of Sundays that fell on the first of a month.

3 antwoorden

import datetime c = 0 for y in range(1901,2001): for m in range(1,13): d = datetime.datetime(y,m,1) if d.weekday() == 6: c += 1 print('Number of Sundays: ',c) Minder

import datetime count=0 for i in range(1901,2001): for j in range(1, 13): if datetime.date(i,j,1).weekday() == 6: count+=1 print(count) Minder

Two lines of code in matlab: Answer is 171 sundays fall on the first day of the month from 1 Jan 1901 to 31 Dec 2000 dt = datenum(1901,1,1):datenum(2001,1,1)-1; sum(day(dt(weekday(dt) == 1)) == 1) Minder

Write a function to return the nth fibonacci number. The first two can be assumed to be 1 and 1. The third and fourth are then calculated to be 2 and 3.

3 antwoorden

fib = {1:1, 2:1} def calc_fib(n): if n in fib.keys(): return fib[n] else: fib[n]=calc_fib(n-1)+calc_fib(n-2) return fib[n] print(calc_fib(9)) Minder

remember how to approximate as N is large

The matlab example sets N = 12 (the 12th fab. number) which happens to be 144. N = 12; f = ones(N,1); for i = 3:N; f(i) = f(i-1) + f(i-2); end; f(end) Minder

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