!conda info --envs

!conda list -n test

!conda install -n test git

if 1 == 1:
    print('hello')

for i in range(5):
    print(i)

a = 4
while a > 2:
    print(a)
    a -= 1

a = [1, 2, 'hello', 3.2]
print(a)
a[2] = 'world'
print(a)

(1, 2, 'hello')

a = {1, 2, 3, 3, 4}
print(a)
print(a.intersection({2, 4, 6}))

a = {'one': 1, 'two': 2, 'three': 3}
a['two']

def add(a, b):
    return a + b

add(1, 4)

class A:
    d = 10
    
    def add(self, c):
        return self.d + c

a = A()
a.add(20)

class B(A):
    def sub(self, c):
        return self.d - c

b = B()
print(b.add(20))
print(b.sub(20))

x = 1
x = 'abc'
x

add('hel', 'lo')

add([1, 2], [3, 4, 5])

print(int('120') + 10)
print(str(120) + ' items')

20 / 100 * 30

%matplotlib inline
import numpy as np
import matplotlib.pyplot as plt
y = np.random.uniform(size=100)
plt.plot(y);