loop in python

1#x starts at 1 and goes up to 80 @ intervals of 2
2for x in range(1, 80, 2):
3  print(x)

1Python Loops
2
3for x in range(1, 80, 2):
4  print(x)
5
6words=['zero','one','two']
7for operator, word in enumerate(words):
8	print(word, operator)
9
10for x in range(1, 80, 2):
11  print(x)
12
13
14
15
16

1for i in range(1,10,2): #(initial,final but not included,gap)
2  print(i); 
3  #output: 1,3,5,7,9
4  
5for i in range (1,4): # (initial, final but not included)
6  print(i);
7  #output: 1,2,3 note: 4 not included
8
9for i in range (5):
10  print (i);
11  #output: 0,1,2,3,4 note: 5 not included
12
13python = ["ml","ai","dl"];  
14for i in python:
15  print(i);
16  #output:  ml,ai,dl
17  
18for i in range(1,5):	#empty loop...if pass not used then it will return error
19  pass; 	
20  

1# A loop is used to iterate over a sequence
2# The format of a loop is
3for variable in object:
4  pass
5
6# A common use of a for loop is using the range() function
7for num in range(1, 10):
8  print(num)
9  
10# It can also be used with a list
11new_list = ["Number 1", "Number 2", "Number 3", "Number 4"]
12for x in new_list:
13  print(x)

1#While Loop:
2while ("condition that if true the loop continues"):
3  #Do whatever you want here
4else: #If the while loop reaches the end do the things inside here
5  #Do whatever you want here
6
7#For Loop:
8for x in range("how many times you want to run"):
9  #Do whatever you want here

1# A Sample Python program to show loop (unlike many 
2# other languages, it doesn't use ++) 
3# this is for increment operator here start = 1,  
4# stop = 5 and step = 1(by default) 
5print("INCREMENTED FOR LOOP") 
6for i in range(0, 5): 
7   print(i) 
8  
9# this is for increment operator here start = 5,  
10# stop = -1 and step = -1  
11print("\n DECREMENTED FOR LOOP") 
12for i in range(4, -1, -1): 
13   print(i)