loops

#for loop
for j in "hello":
    print(j)


for j in "hello":
    print(j)
print(type(j))


h=[6, "j", [45, -9.0, 'hey'], ('we', 2+6j)]
for k in h :
    print(k)
print(type(k))


h=[6, "j", [45, -9.0, 'hey']]
for k in h :
    print(k)
print(type(k))


h=[6, "j"]
for k in h :
    print(k)
print(type(k))


h=[6]
for k in h :
    print(k)
print(type(k))


h=[6, "j", [45, -9.0, 'hey'], ('we', 2+6j)]
for k in h :
    print(k)
    print(type(k))


#j=1---> XXX- invalid
for j in "hello":
    j='e'
    print(j)
#  j=j+2  ---> XXXX- invalid


for f in '123':      #error
    print(f)


#Working with numbers:
for s in range(4):
    print(s)


for s in range(4,8):
    print(s)


for s in range(4,18,2):
    print(s)


#while loop:
while(3<4):    #infinite loop as the condition is always true
    print('inside while loop')
    break


e=1
while(e<4):       #infinite loop as the condition is always true
    print('inside while loop')
    e+=1

e=1
while(e<4):
    print('inside while loop')
    e=e+1
    print(e)
print('end')


e=1
while(e<4):
    print('inside while loop')
    e+=1
    print(e)


#Nested loops
for i in range(5):
    for j in range(3):
        print(i,j)
print('end')


for i in range(3,7):
    print(i)
    for k in "ABC":
        print(k)
print('end')


for i in range(3,7):
    print(i)
    for k in "ABC":
        print(k,end='')
print('end')


for i in range(3,7):
    print(i,end='')
    for k in "ABC":
        print(k,end='')
print('end')


for i in range(3,7):
    print(i,end='')
    for k in "ABC":
        print(k)
print('end')


for i in range(3,7,2):
    for k in range(3):
        print(i, k)


for i in range(3,7,2):
    for k in range(3):
        print(i+4, k-2)


for i in range(3,7,2):
    for k in range(3):
        print(i, k)
        i=1
        k=2


i=2
j=8
while i<=4:
    while j<=10:
        print(i,j)
        i+=1
        j+=1
print('end')


i=2
j=8
while i<=4:
    while j<=10:
        print(i,j)
        j+=1
    i+=1
print('end')


i=2
while i<=4:
    j=8
    while j<=10:
        print(i,j)
        j+=1
    i+=1
print('end')


v=2
for z in range(2):
    while v>=0:
        print(z,v)
        v-=1
    print('end of while')
print('end of for')


for z in range(2):
    v=2
    while v>=0:
        print(z,v)
        v-=1
    print('end of while')
print('end of for')


#Loops: else
print('start of the main program')
k=5
while(k<7):
    print(k)
    k=k+1
else:
    print('Loop is terminated')
print('end of the program')


print('start of the main program')
k=5
while(k<7):
    print(k)
    k=k+1
print('Loop is terminated')
print('end of the program')


i=2
while i<=4:
        print(i)
        i+=1
else:
    print("bye")
print('end')


for s in range(2,7):
    print(s)
else:
    print("This block gets executed when loop is successful")
print('end')


#break
k=5
while(k<7):
    print(k)
    if(k==6):
        break      #break statement if executed then it will break the loop where it is used
    k=k+1
print('end of the program')


for g in "Belagavi":
    if (g=='g'):
        break
    else:
        print(g)
    print('end of a iteration')
print("end")


k=5
while(k<7):
    print(k)
    if(k==6):
        break
    k=k+1
else:
    print('will this get executed????')
print('end of the program')


y=2
while(y>=0):
    y=y-1
    print(y+1)
    if(y==3):
        break
    print('good')
else:
    print('will this block gets executed??')
    print('think!!')
print("that's right, you guessed it!!")


for ir in range(3):
    print(ir)
    for jh in range(1,3):
        print(jh)
        if(ir==1):
            break
else:
    print("executes??")


for ir in range(3):
    print(ir)
    for jh in range(1,3,2):
        print(jh)
        if(ir==1 and jh==1):
            break
    else:
        print('else block of inner for loop')
    if(ir==1):
        break
else:
    print("executes??")


i=2
while i<=4:
        print(i)
        i+=1
        if(i==3):
            break
else:
    print("bye")
print('end')


j=1
while j<=2:
    i=3
    while i<=4:
        print(i,j)
        i+=1
        if(i==4):
            break
    print('end of inner loop')
    j=j+1
else:
    print("bye")
print('end')


i=2
while i<=4:
        print(i)
        i+=1
        if(i==3):
            break
        print("end of while")
print('end')


i=3
while i<=4:
        print(i)
        i+=1
        if(i==3):
            break
        print("end of while")
else:
    print('inside else')
print('end')


#continue
k=5
while(k<7):  #5-> 6
     k=k+1   #6-> 7
     if(k==6):
        continue   #skip current iteration
     print(k)
print('end of the program')


for mn in "ISMUNIV":
    if(mn=='U'):
        continue
    print(mn)


for mn in "ISMUNIV":
    print(mn)
    if(mn=='U'):
        continue


for mn in "ISMUNIV":
    if(mn=='U'):
        continue
    print(mn)
else:
    print('thank you')


for letter in 'Python':
    if letter == 'h':
        continue
    print ("Current Letter :", letter)
print ("Good bye!")


for letter in 'Python':
    if letter == 'h':
        continue
    print ("Current Letter :", letter)
    print('last line of for loop')
print ("Good bye!")


for i in range(4):
    print(i)
    if(i==3):
        continue
    print('end')
else:
    print("bye")


for i in range(6):
    print(i)
    if(i==3):
        continue
    print('end')
else:
    print("bye")


#pass
for letter in 'Python':
    if letter == 'h':
        pass
        print ("This is pass block")
    print ("Current Letter :", letter)
print ("Good bye!")


for i in range(4):
    print(i)
    if(i==3):
        pass
    print('end')
else:
    print("bye")


for mn in "ISMUNIV":
    if(mn=='U'):
        pass
    print(mn)


for mn in "ISMUNIV":
    if(mn=='U'):
        pass
    print(mn)
else:
    print('thank you')


#break, continue, pass
i=2
while i<=5:
    j=8
    while j<=10:
        print(i,j)
        i+=1  #i=i+1
        if(i==4):
            break
        print('end of inner while')
        print('bye')
        j=j+1
    else:
        j=j+1
        if(j!=9):
            break
    print('end of outer while')
else:
    print('inside outer else')
print('end of both loops')
print('end')