Skip to content
Open
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
21 changes: 21 additions & 0 deletions print.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
# python program to check if x is a perfect square
import math

# A utility function that returns true if x is perfect square
def isPerfectSquare(x):
s = int(math.sqrt(x))
return s*s == x

# Returns true if n is a Fibinacci Number, else false
def isFibonacci(n):

# n is Fibinacci if one of 5*n*n + 4 or 5*n*n - 4 or both
# is a perferct square
return isPerfectSquare(5*n*n + 4) or isPerfectSquare(5*n*n - 4)

# A utility function to test above functions
for i in range(1,11):
if (isFibonacci(i) == True):
print i,"is a Fibonacci Number"
else:
print i,"is a not Fibonacci Number "