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Lecture 04

for i in range(1,5,1):
    for j in range(1,5,1):
        print('* ',end='')
    print()

* * * * 
* * * * 
* * * * 
* * * * 

for i in range(1,5,1):
    for j in range(1,i+1,1):
        print('* ',end='')
    print()

* 
* * 
* * * 
* * * * 

for i in range(1,5,1):
    for j in range(1,5-i,1):
        print('  ',end='')
    for j in range(1,i+1,1):
        print('* ',end='')
    print()

      * 
    * * 
  * * * 
* * * * 

name='ali ghorbani'
for i in range(len(name)):
    if name[i]!=' ':
        print(name[i],end='')
    else:
        break

ali

l1=[0,1,0,1,1,1,0,1,1]
for i in range(len(l1)):
    if l1[i]==1:
        print('OK ',end='')
    else:
        continue
    print('done')
    print()    

OK done

OK done

OK done

OK done

OK done

OK done

name=['ali','hasan','reza','ahmad','alireza','karim']
for i in range(len(name)):
    print(name[i],end=' ')
    if len(name[i])<5:
        print('khoobi? ')
        continue
    elif len(name[i])<6:
        print('chekhabar? ')
        continue
    break
        

ali khoobi? 
hasan chekhabar? 
reza khoobi? 
ahmad chekhabar? 
alireza 

$\sum_{i=0}^{n}(3i^2+1)$

n=2
s1=0
for i in range(0,n+1,1):
    d=3*i**2+1
    s1=s1+d
print(s1)

18

def f(x):
    a=x**2
    return a

f(2)

4

f(3)

9

def f(x,y):
    return x**2+y