ahmedazizkhelifi

def maxi(a,b):
    return max(a,b)
print(maxi(1,2))
print(maxi(1,a)) #>> NameError: name 'a' is not defined

ahmedazizkhelifi

def add_def(x,y):
    return x+y
add_lambda = lambda x,y : x+y
add_def(5,3) # >>> 8
add_lambda(5,3) # >>> 8 

ahmedazizkhelifi

L= [0,1,2,3,4,5,6,7,8,9]
def condition(x):
    return x>4
L2 = list(filter(condition,L))
# >>> [5, 6, 7, 8, 9]

L3 = list(filter(lambda x : x > 4 , L ))
# >>> [5, 6, 7, 8, 9]

import numpy as np 

ahmedazizkhelifi

Users= [
    {'id' : 0, 'name' : 'Ahmed', 'salary' : 1200},
    {'id' : 1, 'name' : 'Aziz', 'salary' : 1800},
    {'id' : 2, 'name' : 'Khelifi', 'salary' : 820}
]

#conventional syntax:
users_name=[]
for user in Users:
    users_name.append(user['name'])

ahmedazizkhelifi

users_name3 =[user['name'] for user in Users if user['name'][0]=="A"]
print(users_name3) #>>> ['Ahmed', 'Aziz']

ahmedazizkhelifi

# 1) conventional syntax:
dict1={}
for user in Users:
    dict1.update({user['name']:user['salary']})
print (dict1)  #>>> {'Ahmed': 1200, 'Aziz': 1800, 'Khelifi': 820}
 
# 2) Dict comprehesion:
dict2 = {user['name'] : user['salary'] for user in Users }
print(dict2) #>>> {'Ahmed': 1200, 'Aziz': 1800, 'Khelifi': 820}

ahmedazizkhelifi

# 1) conventional syntax:
dict1={}
for user in Users:
    dict1.update({user['name']:user['salary']})
print (dict1)  #>>> {'Ahmed': 1200, 'Aziz': 1800, 'Khelifi': 820}
 
# 2) Dict comprehesion:
dict2 = {user['name'] : user['salary'] for user in Users }
print(dict2) #>>> {'Ahmed': 1200, 'Aziz': 1800, 'Khelifi': 820}

ahmedazizkhelifi

def recursive_factorial(n):
    return n*recursive_factorial(n-1)

ahmedazizkhelifi

def recursive_factorial(n):
    if n <= 1:
        return 1
    else:
        return n*recursive_factorial(n-1)

ahmedazizkhelifi

def iterative_factorial(n):
    f = 1
    for i in range(2, n+1):
        f *= i
    return f