In [1]:

    

print ("hello,world!")


    

    




hello,world!

In [4]:

    

for i in range(3):
   print("the number is=%d"%(i))


    

    




the number is=0
the number is=1
the number is=2

In [6]:

    

for i in range(20):
    if(i<10):
        print("the num is less than 10---%d"%(i))
    elif(i==10):
        print ("the num is =10---%d"%(i))
    else:
        print("the num is greater than 10---%d"%(i))


    

    




the num is less than 10---0
the num is less than 10---1
the num is less than 10---2
the num is less than 10---3
the num is less than 10---4
the num is less than 10---5
the num is less than 10---6
the num is less than 10---7
the num is less than 10---8
the num is less than 10---9
the num is =10---10
the num is greater than 10---11
the num is greater than 10---12
the num is greater than 10---13
the num is greater than 10---14
the num is greater than 10---15
the num is greater than 10---16
the num is greater than 10---17
the num is greater than 10---18
the num is greater than 10---19

In [7]:

    

def hello():
    print("hello,world!!!")
hello()


    

    




hello,world!!!

In [11]:

    

def hello(name='ntini'):
    print ("your name is %s"%(name))
hello()
hello('nitin')


    

    




your name is ntini
your name is nitin

In [12]:

    

animals=[]
animals.append("bear")
animals.append("lion")
animals.append("monkey")
animals.append("unicorn")

print(animals)


    

    




['bear', 'lion', 'monkey', 'unicorn']

In [15]:

    

animals=["bear","lion","monkey","unicorn"]
print (animals)


    

    




['bear', 'lion', 'monkey', 'unicorn']

In [16]:

    

print (animals[0])


    

    




bear

In [17]:

    

for animal in animals:
    print(animal)


    

    




bear
lion
monkey
unicorn

In [18]:

    

a=animals.pop()
print(a)
print(animals)


    

    




unicorn
['bear', 'lion', 'monkey']

In [20]:

    

animals.append("bear")
print (animals)
animals.count("bear")


    

    




['bear', 'lion', 'monkey', 'bear', 'bear']






    
Out[20]:





3

In [21]:

    

animals.pop()


    

    
Out[21]:





'bear'

In [22]:

    

print(animals)


    

    




['bear', 'lion', 'monkey', 'bear']

In [23]:

    

print(animals)
new=[a for a in animals if a!="bear"]


    

    




['bear', 'lion', 'monkey', 'bear']

In [25]:

    

print(new)


    

    




['lion', 'monkey']

In [26]:

    

new=[a.upper() for a in animals if a!="bear"]
print (new)


    

    




['LION', 'MONKEY']

In [30]:

    

import random
#generate a random variable
random.randint(0,10)


    

    
Out[30]:





5

In [31]:

    

import numpy as np
np.power(2,2)


    

    
Out[31]:





4

In [33]:

    

from random import *
randint(0,10)


    

    
Out[33]:





10

In [34]:

    

import numpy as np
import matplotlib.pyplot as plt

X=np.linspace(-np.pi,np.pi,256,endpoint=True)
C,S=np.cos(X),np.sin(X)

plt.plot(X,C)
plt.plot(X,S)

plt.show()


    

In [ ]: