Pythonic Code In Several Lines
2024-08-31 14:42:32
1. Fibonacci Series
#
def Fib(n):
if n == 1 or n == 2:
return 1;
else:
return Fib(n - 1) + Fib(n - 2)
#
def Fib(n):
return 1 and n <= 2 or Fib(n - 1) + Fib(n - 2)
#
Fib = lambda n: 1 if n <= 2 else Fib(n - 1) + Fib(n - 2) #
def Fib(n):
x, y = 0, 1
while(n):
x, y, n = y, x + y, n - 1
return x
#
Fib = lambda n, x = 0, y = 1 : x if not n else Fib(n - 1, y, x + y)
#
def Fib(n):
def Fib_iter(n, x, y):
if n == 0:
return x
else:
return Fib_iter(n - 1, y, x + y)
return Fib_iter(n, 0, 1)
#
def fib(n):
def m1(a,b):
m=[[],[]]
m[0].append(a[0][0]*b[0][0]+a[0][1]*b[1][0])
m[0].append(a[0][0]*b[0][1]+a[0][1]*b[1][1])
m[1].append(a[1][0]*b[0][0]+a[1][1]*b[1][0])
m[1].append(a[1][0]*b[1][0]+a[1][1]*b[1][1])
return m
def m2(a,b):
m=[]
m.append(a[0][0]*b[0][0]+a[0][1]*b[1][0])
m.append(a[1][0]*b[0][0]+a[1][1]*b[1][0])
return m
return m2(reduce(m1,[[[0,1],[1,1]] for i in range(n)]),[[0],[1]])[0]
2. FizzBuzz
print(' '.join(["fizz"[x % 3 * 4:]+"buzz"[x % 5 * 4:] or str(x) for x in range(1, 101)]))
3. Primes between 1 and 100
print(' '.join([str(item) for item in filter(lambda x: not [x % i for i in range(2, x) if x % i == 0], range(2, 101))]))
print(' '.join([str(item) for item in filter(lambda x: all(map(lambda p: x % p != 0, range(2, x))), range(2, 101))]))
4. Nine multiplication tables
print('\n'.join([' '.join(['%s*%s=%-2s' % (y, x, x*y) for y in range(1, x+1)]) for x in range(1, 10)]))
5. Flatten List
flatten = lambda x: [y for l in x for y in flatten(l)] if isinstance(x, list) else [x]
6.
print(sum(map(int, str(2**1000))))
7. Print Fibonacci
print([x[0] for x in [(a[i][0], a.append([a[i][1], a[i][0]+a[i][1]])) for a in ([[1, 1]], ) for i in range(30)]])
8. Quick Sort
qsort = lambda arr: len(arr) > 1 and qsort(list(filter(lambda x: x <= arr[0], arr[1:]))) + arr[0:1] + qsort(list(filter(lambda x: x > arr[0], arr[1:]))) or arr
9. Eight Queens
[__import__('sys').stdout.write('\n'.join('.' * i + 'Q' + '.' * (8-i-1) for i in vec) + "\n========\n") for vec in __import__('itertools').permutations(range(8)) if 8 == len(set(vec[i]+i for i in range(8))) == len(set(vec[i]-i for i in range(8)))]
10. Generate primes in one line: (181222)
reduce((lambda r,x: r-set(range(x**2,N,x)) if (x in r) else r), range(2,N), set(range(2,N)))
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