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Commit 7cd9fd4

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RezwanRezwan
Rezwan
authored and
Rezwan
committed
Modified
1 parent 3c10901 commit 7cd9fd4

13 files changed

+393
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‎.DS_Store‎

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‎AtCoder/.DS_Store‎

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‎AtCoder/D - Walk and Teleport.py‎

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import functools
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import sys
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input = lambda: sys.stdin.readline()
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@functools.lru_cache(maxsize=10000)
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def Main():
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N, A, B = map(int, input().split())
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Arr = list(map(int, input().split()))
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sm = 0
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for i in range(0, len(Arr) - 1):
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zemi = abs(Arr[i] - Arr[i + 1])
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# print(zemi)
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sm += min((zemi * A), B)
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print(sm)
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if __name__ == '__main__':
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Main()

‎CodeChef/Devu and an Array.py‎

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N, Q = map(int, input("").split())
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mylist = list(map(int, input("").split()))
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lmin = min(mylist)
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lmax = max(mylist)
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for i in range(0,Q):
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q = int(input(""))
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if (lmin > q) or (lmax < q) :
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print ("No")
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else:
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print ("Yes")

‎Codeforces/A. Straight «A».py‎

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def Main():
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n, k = map(int, input().split())
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sm = 0
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arr = list(map(int, input().split()))
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sm = sum(arr)
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N = n
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cnt = 0
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while (sm + N // 2) // N < k:
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sm += k
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N += 1
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cnt += 1
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print(cnt)
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if __name__ == '__main__':
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Main()

‎HackerRank/Find a string.py‎

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'''
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Created on May 16, 2016
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@author: Md. Rezwanul Haque
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'''
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s = input()
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tar = input()
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score = 0
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for i in range(len(s)):
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if s[i:i + len(tar)] == tar:
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score+=1
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print(score)

‎HackerRank/String Split and Join.py‎

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'''
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Created on May 15, 2016
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@author: Md. Rezwanul Haque
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'''
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s = input()
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s = s.split(" ")
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print("-".join(s))

‎List(Array) and String.py‎

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########################## List(Array) ##########################
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# empty list
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my_list = []
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# list of integers
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my_list = [1, 2, 3, 4, 5]
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# list with mixed datatypes
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my_list = [1, "Hello", 3.4, 2, 'World']
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# nested list
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my_list = ["mouse", [8, 4, 6], ['a'], ['x', 'y', 'z']]
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# Index if list
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my_list = ['H', 'L', 'L', 'O']
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print(my_list[0])
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# Output : H
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print(my_list[3])
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# Output: O
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print(my_list[-1])
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# Output: O
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print(my_list[-0])
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# Output: H
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print(my_list[-4])
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# Output: H
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# Nested List
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n_list = ["Happy", [2,0,1,5]]
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# Nested indexing
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print(n_list[0][1])
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# Output: a
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print(n_list[1][3])
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# Output: 5
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num_list = [1, 2, 3, 4, 5 , 6, 7, 8, 9]
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print(num_list[0:3])
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# Output : [1, 2, 3]
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print(num_list[2:])
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# Output : [3, 4, 5, 6, 7, 8, 9]
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print(num_list[:3])
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# Output: [1, 2, 3]
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print(num_list[:-1])
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# Output: [1, 2, 3, 4, 5, 6, 7, 8]
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# Inverse the list
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print(num_list[::-1])
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# Output : [9, 8, 7, 6, 5, 4, 3, 2, 1]
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print(*reversed(num_list)) # 9 8 7 6 5 4 3 2 1
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############ How to store value into the list
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my_list = [] # declare the empty list
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n = int(input('Enter the size of list : '))
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for i in range(n):
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a = int(input())
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my_list.append(a)
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print(my_list)
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''' Input and Output:
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Enter the size of list : 5
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1
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2
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3
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4
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5
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[1, 2, 3, 4, 5]
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'''
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#You can store value this way:
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my_list = list(map(int, input().split())) # after new line value store will be ended
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print(my_list)
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'''
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Input:
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7 8 9 6 5 4
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Output:
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[7, 8, 9, 6, 5, 4]
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'''
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my_list = [5, 3, 4 , 1, 2]
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# sort the list
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my_list.sort()
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print(my_list) # [1, 2, 3, 4, 5]
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my_list = [3, 4, 2, 5, 1]
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my_list.remove(4)
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print(my_list) # [3, 2, 5, 1]
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##Insert an element at specific index in a list and return updated list
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a = [1, 2, 4]
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a.insert(2, 3) # insert 3 in index 2
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b = a[:]
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print(b) # [1, 2, 3, 4]
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### or
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a = [1, 2, 4]
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b = a[:2] + [3] + a[2:]
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print(b) # [1, 2, 3, 4]
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''' This note has taken from this side : https://www.programiz.com/python-programming/list
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append() - Add an element to the end of the list
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extend() - Add all elements of a list to the another list
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insert() - Insert an item at the defined index
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remove() - Removes an item from the list
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pop() - Removes and returns an element at the given index
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clear() - Removes all items from the list
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index() - Returns the index of the first matched item
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count() - Returns the count of number of items passed as an argument
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sort() - Sort items in a list in ascending order
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reverse() - Reverse the order of items in the list
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copy() - Returns a shallow copy of the list
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'''
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list_arr = [1, 7, 4, 5, 9, 6]
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list_arr.extend([33, 777])
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print(list_arr)
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list_arr = [1, 7, 4, 5, 9, 6]
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list_arr.pop()
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print(list_arr) # [1, 7, 4, 5, 9]
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list_arr.pop(1)
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print(list_arr) # [1, 4, 5, 9]
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list_arr = [1, 7, 4, 5, 9, 6]
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list_arr.clear()
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print(list_arr) # []
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list_arr = [1, 7, 4, 5, 9, 6]
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idx = list_arr.index(9)
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print(idx) # 4
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list_arr = [1,1,1,2,3,2,5]
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print(list_arr.count(1)) # 3
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list_arr = [1, 7, 4, 5, 9, 6]
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copy_list_arr = list_arr.copy()
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print(copy_list_arr) # [1, 7, 4, 5, 9, 6]
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## Find largest number from the list
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list_arr = [1,3,4,8,9,77]
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largest = max(list_arr)
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print(largest) # 77
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## Find small number from the list
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list_arr = [1,3,4,8,9,77]
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small = min(list_arr)
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print(small) # 1
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# delete entire list
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#del my_list
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# NameError: name 'my_list' is not defined
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#print(my_list)
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########################### String ###############################
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'''
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H e l l o
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0 1 2 3 4
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-5 -4 -3 -2 -1
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'''
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# all of the following are equivalent
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my_string = 'Hello'
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print(my_string)
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my_string = "Hello"
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print(my_string)
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my_string = '''Hello'''
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print(my_string)
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# triple quotes string can extend multiple lines
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my_string = """Hello, welcome to
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the world of Python"""
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print(my_string)
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'''
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### Output :
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Hello
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Hello
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Hello
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Hello, welcome to
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the world of Python
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'''
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my_string = "Hello"
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print(my_string[0]) # H
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my_string = "Hello "
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my_string1 = "World!"
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string = my_string + my_string1
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print(string) # Hello World!
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my_string = "I Love You"
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if 'I' in my_string:
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print("Ok") # Ok
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else:
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print("Not Ok!")
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my_string = "I Love You"
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if 'Love' in my_string:
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print("Ok") # Ok
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else:
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print("Not Ok!")
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# Length of a string
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my_string = "Rezwan"
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print(len(my_string)) # 6
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print('{0}, {1}, {2}'.format("Rezwanul", "Haque", "Rezwan")) # Rezwanul, Haque, Rezwan
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print('{}, {}, {}'.format("Rezwanul", "Haque", "Rezwan")) # Rezwanul, Haque, Rezwan
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my_string = "I Love You"
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STr = my_string.replace("Love","Hate")
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print(STr) # I Hate You
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### Does Python have a string 'contains' substring method? (https://stackoverflow.com/questions/3437059/does-python-have-a-string-contains-substring-method)
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s = "This be a string"
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if s.find("is") == -1:
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print( "No 'is' here!")
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else:
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print("Found 'is' in the string.") # Found 'is' in the string.
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'''Important Link:
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(1) Is there a way to substring a string in Python? [ https://stackoverflow.com/questions/663171/is-there-a-way-to-substring-a-string-in-python ]
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(2) Generator Expressions vs. List Comprehension [ https://stackoverflow.com/questions/47789/generator-expressions-vs-list-comprehension ]
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'''
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'''
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** You are now able to solve following online-judge problems.
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------------------------------------------------------------
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(1) CodeForces | A. Straight «A»
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(2) Timus | 1000. A+B Problem
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(3) URI | 1026 - To Carry or not to Carry
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(4) HackerRank | String Split and Join
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(5) Spoj | ADDREV - Adding Reversed Numbers
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(6) CodeChef | Devu and an Array
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(7) HackerRank | Find a string
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(8) UVa | 11799 - Horror Dash
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(9) UVa | 10370 - Above Average
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(10) AtCoder | D - Walk and Teleport
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'''
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# your code goes here
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'''
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Created on May 20, 2016
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@author: Md. Rezwanul Haque
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'''
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n = int(input())
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ans = 0
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rezwan = 0
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for i in range(n):
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a, b = map(int, input().split())
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A = int(str(a)[::-1]) # reverse
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B = int(str(b)[::-1]) # reverse
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ans = A + B
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rezwan = int(str(ans)[::-1]) # reverse
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print(rezwan)

‎Timus/1000. A+B Problem.py‎

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a, b = map(int, input().split())
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print(a + b)

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