print("Hello World")

X = 112

print(X)

range(10)

range?

def fib(n):
    if n in [0, 1]:
        return n
    return fib(n - 1) + fib(n - 2)

for x in range(5):
    print(fib(x))

import numpy as np
np.ones(10)

np.ones((10, 10))

np.arange(10)

X = np.ones((10, 10)) + np.array([3, 5, 1, 10, 6, 12, 98, 1, 0, 3])
print(X)

X.mean(axis=0)

X[:3, 1:4]

X[:, ::2]

X = np.random.randint(10, size=(32, 103))
X

X[np.random.randint(32, size=10)]

X[np.random.randint(32, size=10)].shape

%matplotlib inline
import matplotlib.pyplot as plt
import numpy as np

plt.plot(np.random.uniform(size=10))

plt.bar(np.arange(10), np.random.uniform(size=10))

plt.hist(np.random.normal(size=1000))

x, y = np.random.uniform(size=(2, 10))
plt.scatter(x, y, marker="x")

print(np.eye(5))
plt.matshow(np.eye(5))