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16.Python For Loop

PYTHON FOR LOOP 
    Generally a for loop is used for iterating over a sequence or to execute a set of statements.Like C,python does not use curly braces,instead indentation is used. 


Syntax
for value/variable in sequence: 
    Body or statements 
Program
a = ["a", "b", "c","d"] 
for x in a: 
    print(x) 
Output
In order to print the letters of string using for,do 
Program 
for a in "TamilHacks": 
    print(a) 
Output 
range() 
    The range() function is used To loop the code a specific number of times.It returns a sequence of numbers, starting from 0, and then increments by 1 and ends at the number we specified. eg: range(3) are the values from 0 to 2. 
Program 
for a in range(8): 
    print(a) 
Output 
In case you want to start from different number,you can indicate or specify the starting value also using range(start value,end value).For eg range(3,7) are the values from 3 to 6 and not 7. 
Program 
for a in range(1,8): 
    print(a) 
Output
Similarly,you can also alter the incrementing value by adding another parameter to range.ie range(start value,end value,iteration).For eg range(3,31,2).it will increment by 2 
Program 
for a in range(1,100,5): 
    print(a) 
Output 
11 
16 
21 
26 
31 
36 
41 
46 
51 
56 
61 
66 
71 
76 
81 
86 
91 
96 
Watch the video below to know about python in detail!!

Happy Learning!!








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