Binary Strings

import numpy as np
import matplotlib.pyplot as plt

def binString(n):
    binS = np.random.randint(0,2,100)
    s = ''.join(map(str,binS))
    return s

def rle(s):
    current = s[0]
    count = 0
    runLength = []
    for char in s:
        if char == current:
            count += 1
        else:
            runLength.append(count)
            current = char
            count = 1
    runLength.append(count)
    return np.array(runLength)

def binStringHist(s):
    rl = rle(s)
    plt.hist(rl)
    plt.show()

s1 = binString(100)
binStringHist(s1)

s2 = '0010101011101010101010101010101010101001010101010101010100100101010111010101010101010100101000101010'
binStringHist(s2)