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Python String | count() method with Examples

Python String count() method with Examples on capitalize(), center(), count(), encode(), find(), format(), index(), join(), lower(), ljust(), isupper(), istitle(), isspace(), isprintable(), isnumeric(), islower() etc.

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Python String Count() Method

It returns the number of occurences of substring in the specified range. It takes three parameters, first is a substring, second a start index and third is last index of the range. Start and end both are optional whereas substring is required.

Signature

count(sub[, start[, end]])

Parameters

  • sub (required)
  • start (optional)
  • end (optional)

Return Type

It returns number of occurrences of substring in the range.

Let's see some examples to understand the count() method.

Python String Count() Method Example 1

# Python count() function example
# Variable declaration
str = "Hello TheDeveloperBlog"
str2 = str.count('t')
# Displaying result
print("occurences:", str2)

Output:

occurences: 2

Python String Count() Method Example 2

# Python count() function example
# Variable declaration
str = "ab bc ca de ed ad da ab bc ca"
oc = str.count('a')
# Displaying result
print("occurences:", oc)

Here, we are passing second parameter (start index).

Python String Count() Method Example 3

# Python count() function example
# Variable declaration
str = "ab bc ca de ed ad da ab bc ca"
oc = str.count('a', 3)
# Displaying result
print("occurences:", oc)

Output:

occurences: 5

The below example is using all three parameters and returning result from the specified range.

Python String Count() Method Example 4

# Python count() function example
# Variable declaration
str = "ab bc ca de ed ad da ab bc ca"
oc = str.count('a', 3, 8)
# Displaying result
print("occurences:", oc)

Output:

occurences: 1

It can count non-alphabet chars also, see the below example.

Python String Count() Method Example 5

# Python count() function example
# Variable declaration
str = "ab bc ca de ed ad da ab bc ca 12 23 35 62"
oc = str.count('2')
# Displaying result
print("occurences:", oc)

Output:

occurences: 3

Next TopicPython Strings




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