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Commit f2b48e5

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HackerRank....
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‎Hackerrank-Python3/Untitled.png

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‎Hackerrank-Python3/doormat.py

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'''
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Size: 7 x 21
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---------.|.---------
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------.|..|..|.------
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---.|..|..|..|..|.---
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-------WELCOME-------
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---.|..|..|..|..|.---
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------.|..|..|.------
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---------.|.---------
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'''

‎Hackerrank-Python3/dot_cross.py

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# Output Format
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# Print the matrix multiplication of A and B .
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# Sample Input
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# 2
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# 1 2
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# 3 4
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# 1 2
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# 3 4
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# Sample Output
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# [[7 10]
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# [15 22]]
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import numpy
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n = int(input())
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a = []
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b = []
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l = list()
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for x in range(n):
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l = input()
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l = [int(i) for i in l.split(" ")]
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a.append(l)
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for x in range(n):
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l = input()
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l = [int(i) for i in l.split(" ")]
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b.append(l)
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print(numpy.dot(a, b))
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‎Hackerrank-Python3/finding_percent.py

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if __name__ == '__main__':
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n = int(input())
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student_marks = {}
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for _ in range(n):
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name, *line = input().split()
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scores = list(map(float, line))
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student_marks[name] = scores
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query_name = input()
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s = sum(student_marks[query_name])
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print("%.2f" % (s/3))

‎Hackerrank-Python3/inner_outer.py

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import numpy
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A = numpy.array([int(x) for x in input().split(" ")])
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B = numpy.array([int(x) for x in input().split(" ")])
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print(numpy.inner(A, B))
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print(numpy.outer(A, B))
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# list comprehensive
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x = int(input())
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y = int(input())
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z = int(input())
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n = int(input())
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print([[i, j, k] for i in range(x + 1) for j in range(y + 1)
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for k in range(z+1) if ((i + j+k) != n)])

‎Hackerrank-Python3/mean_varr_std.py

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# Output Format
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# First, print the mean.
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# Second, print the var.
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# Third, print the std.
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# Sample Input
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# 2 2
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# 1 2
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# 3 4
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# Sample Output
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# [1.5 3.5]
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# [1. 1.]
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# 1.11803398875
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import numpy
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n, m = input().split()
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n = int(n)
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m = int(m)
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l = list()
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arr = list()
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arr = []
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x = 0
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i = 0
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for x in range(n):
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l = input()
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l = [int(y) for y in l.split(" ")]
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arr.append(l)
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#print(arr)
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numpy.set_printoptions(legacy='1.13')
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# np.arr().astype(np.int)
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print(numpy.mean(arr, axis=1))
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print(numpy.var(arr, axis=0))
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print(numpy.std(arr, axis=None))
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#read about the function set_printoptions

‎Hackerrank-Python3/nested_list.py

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if __name__ == '__main__':
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d = {}
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for _ in range(int(input())):
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name = input()
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score = float(input())
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d[name] = score
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s = sorted(d.items(), key=lambda x: x[1], reverse=False)
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t = s[0][1]
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# print(t)
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for x in s:
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if x[1] > t:
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t = x[1]
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break
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newdic = {}
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for x in s:
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if (t == x[1]):
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newdic[x[0]] = x[1]
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#print(x[0], x[1])
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ls = sorted(newdic.keys())
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for x in ls:
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print(x)
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'''
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it's a mind boggling :) )p
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'''

‎Hackerrank-Python3/string_validator.py

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# In the first line,print True if has any alphanumeric characters.Otherwise, print False.
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# In the second line, print True if has any alphabetical characters.Otherwise, print False.
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# In the third line, print True if has any digits.Otherwise, print False.
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# In the fourth line, print True if has any lowercase characters.Otherwise, print False.
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# In the fifth line, print True if has any uppercase characters.Otherwise, print False.
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if __name__ == '__main__':
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s = input()
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for x in range(len(s)):
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if s[x].isalnum():
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print(True)
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break
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else:
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print(False)
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for x in range(len(s)):
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if s[x].isalpha():
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print(True)
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break
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else:
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print(False)
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for x in range(len(s)):
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if s[x].isdigit():
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print(True)
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break
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else:
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print(False)
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for x in range(len(s)):
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if s[x].islower():
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print(True)
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break
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else:
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print(False)
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for x in range(len(s)):
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if s[x].isupper():
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print(True)
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break
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else:
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print(False)

‎Hackerrank-Python3/test_warp.py

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# Sample Input 0
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# ABCDEFGHIJKLIMNOQRSTUVWXYZ
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# 4
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# Sample Output 0
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# ABCD
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# EFGH
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# IJKL
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# IMNO
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# QRST
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# UVWX
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# YZ
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import textwrap
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def wrap(string, max_width):
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string = (textwrap.wrap(string, max_width))
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s = ""
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for x in string:
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s += x + '\n'
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s = s[:len(s)-1]
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return s
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if __name__ == '__main__':
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string, max_width = input(), int(input())
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result = wrap(string, max_width)
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print(result)

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