How do you count prints in python?

I am trying to count the output in python. 'len' seems to be not working with the output. Following is my code

for i in range (0, 5):
    print i

The output is

0
1
2
3
4

I want to print the count of 'i' which should give me count of '5'

Thank you in advance!

The6thSense

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asked Aug 20, 2015 at 8:45

0

Use enumerate to count the iterations:

count = 0
for count, i in enumerate(range(5),1):
    print(i)
print(count)

If you want the size of a list use len:

print(len(range(5)))

answered Aug 20, 2015 at 8:48

1

There are many ways to do but my two ways would be

One way is to use len

i =len(range (0, 5))
print i

Other way is using for:

j=0
for i in range (0, 5):
    #Other things you want to do
    j+=1
print j

answered Aug 20, 2015 at 8:49

The6thSenseThe6thSense

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2

In this tutorial, we will learn about the Python String count() method with the help of examples.

The count() method returns the number of occurrences of a substring in the given string.

Example

message = 'python is popular programming language'

# number of occurrence of 'p'
print('Number of occurrence of p:', message.count('p'))

# Output: Number of occurrence of p: 4

Syntax of String count

The syntax of count() method is:

string.count(substring, start=..., end=...)

count() Parameters

count() method only requires a single parameter for execution. However, it also has two optional parameters:

• substring - string whose count is to be found.
• start (Optional) - starting index within the string where search starts.
• end (Optional) - ending index within the string where search ends.

Note: Index in Python starts from 0, not 1.

count() Return Value

count() method returns the number of occurrences of the substring in the given string.

Example 1: Count number of occurrences of a given substring

# define string
string = "Python is awesome, isn't it?"
substring = "is"

count = string.count(substring)

# print count
print("The count is:", count)

Output

The count is: 2

Example 2: Count number of occurrences of a given substring using start and end

# define string
string = "Python is awesome, isn't it?"
substring = "i"

# count after first 'i' and before the last 'i'
count = string.count(substring, 8, 25)

# print count
print("The count is:", count)

Output

The count is: 1

Here, the counting starts after the first i has been encountered, i.e. 7th index position.

And, it ends before the last i, i.e. 25th index position.

In this tutorial, we will learn about the Python List count() method with the help of examples.

The count() method returns the number of times the specified element appears in the list.

Example

# create a list
numbers = [2, 3, 5, 2, 11, 2, 7]

# check the count of 2
count = numbers.count(2)


print('Count of 2:', count)

# Output: Count of 2: 3

Syntax of List count()

The syntax of the count() method is:

list.count(element)

count() Parameters

The count() method takes a single argument:

• element - the element to be counted

Return value from count()

The count() method returns the number of times element appears in the list.

Example 1: Use of count()

# vowels list
vowels = ['a', 'e', 'i', 'o', 'i', 'u']

# count element 'i'
count = vowels.count('i')


# print count
print('The count of i is:', count)

# count element 'p'
count = vowels.count('p')


# print count
print('The count of p is:', count)

Output

The count of i is: 2
The count of p is: 0

Example 2: Count Tuple and List Elements Inside List

# random list
random = ['a', ('a', 'b'), ('a', 'b'), [3, 4]]

# count element ('a', 'b')
count = random.count(('a', 'b'))


# print count
print("The count of ('a', 'b') is:", count)

# count element [3, 4]
count = random.count([3, 4])


# print count
print("The count of [3, 4] is:", count)

Output

The count of ('a', 'b') is: 2
The count of [3, 4] is: 1

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