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finish 2 6kyu 1 5kyu

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[5 kyu]Last digit of a large number.py
[6 kyu] Playing with passphrases.py
[6 kyu]Complete The Pattern #12.py

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+53

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`‎[5 kyu]Last digit of a large number.py`

Lines changed: 23 additions & 0 deletions

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	`1`	`+def last_digit(n1, n2):`
	`2`	`+ res = {`
	`3`	`+ 1 : [1],`
	`4`	`+ 2 : [2,4,8,6],`
	`5`	`+ 3 : [3,9,7,1],`
	`6`	`+ 4 : [4,6],`
	`7`	`+ 5 : [5],`
	`8`	`+ 6 : [6],`
	`9`	`+ 7 : [7,9,3,1],`
	`10`	`+ 8 : [8,4,2,6],`
	`11`	`+ 9 : [9,1],`
	`12`	`+ 0 : [0]`
	`13`	`+ }`
	`14`	`+ n1 %= 10`
	`15`	`+ if n2 == 0:`
	`16`	`+ return 1`
	`17`	`+ elif n1 in (1,5,6,0):`
	`18`	`+ return n1`
	`19`	`+ else:`
	`20`	`+ return res[n1][n2%len(res[n1]) - 1]`
	`21`	`+`
	`22`	`+for i in range(0,5):`
	`23`	`+ print(last_digit(34,i))`

`‎[6 kyu] Playing with passphrases.py`

Lines changed: 13 additions & 0 deletions

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	`1`	`+def play_pass(s, n):`
	`2`	`+ res = ''`
	`3`	`+ for c in map(ord,s):`
	`4`	`+ if c in range(65,91):`
	`5`	`+ res += chr((((c-65) + n) % 26) + 65)`
	`6`	`+ elif c in range(97,123):`
	`7`	`+ res += chr((((c-97) + n) % 26) + 97)`
	`8`	`+ elif c in range(48,58):`
	`9`	`+ res += str (abs(9 - int(chr(c))))`
	`10`	`+ else:`
	`11`	`+ res += str(chr(c))`
	`12`	`+ res = ''.join([res[i].upper() if i % 2 == 0 else res[i].lower() for i in range(len(res))])`
	`13`	`+ return res[::-1]`

`‎[6 kyu]Complete The Pattern #12.py`

Lines changed: 17 additions & 0 deletions

Original file line number	Diff line number	Diff line change
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	`1`	`+def pattern(n):`
	`2`	`+ if n <= 0:`
	`3`	`+ return ''`
	`4`	`+ if n == 1:`
	`5`	`+ return '1'`
	`6`	`+ res = []`
	`7`	`+ pattern = [' '] * ( 2 * n -1)`
	`8`	`+ for i in range(1,n):`
	`9`	`+ temp = pattern[:]`
	`10`	`+ temp[i-1] = temp[-i] = str(i%10)`
	`11`	`+ res.append(''.join(temp))`
	`12`	`+ pattern[n-1] = str(n%10)`
	`13`	`+ res.append(''.join(pattern))`
	`14`	`+ res += res[n-2::-1]`
	`15`	`+ return '\n'.join(res)`
	`16`	`+`
	`17`	`+print(pattern(1))`

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