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@nosada nosada/fibo.py
Created May 2, 2019

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Show Fibonacci numbers in oneline, keeping to refresh stdout (You are not expected to see this; there are much more useful examples in the Internet)
#!/bin/env python
from time import sleep
import sys
def yield_fibonacci_nums(n):
a = b = 1
if n < 2:
yield b
for _ in range(n-1):
a, b = b, a + b
yield b
def print_in_oneline(string):
sys.stdout.write('\r')
sys.stdout.write(string)
sys.stdout.flush()
sleep(0.005)
def print_fibonacci_nums(n, padding=1):
func_tmpl = "fibonacci({n})"
padding = padding + len(func_tmpl.format(n=''))
tmpl = "{{func:{p}}}: {{result}}".format(p=padding)
for num in yield_fibonacci_nums(n):
func = func_tmpl.format(n=n)
string = tmpl.format(func=func, result=num)
print_in_oneline(string)
sys.stdout.write('\n')
if __name__ == "__main__":
try:
LIMIT = int(sys.argv[1])
except (ValueError, IndexError):
sys.stdout.write("Show until 100th Fibonacci numbers\n")
LIMIT = 100
PADDING = len(str(LIMIT))
for i in range(LIMIT+1):
print_fibonacci_nums(i, padding=PADDING)
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