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Return a copy of an array with only the first character of each element capitalized in Numpy
To return a copy of an array with only the first character of each element capitalized, use the numpy.char.capitalize() method in Python Numpy. The arr is the input array of strings to capitalize. The function returns the output array of str or unicode, depending on input types.
The numpy.char module provides a set of vectorized string operations for arrays of type numpy.str_ or numpy.bytes_.
Steps
At first, import the required library −
import numpy as np
Create a One-Dimensional array of string −
arr = np.array(['bella', 'toM', 'john', 'katE', 'amy', 'brad'])
Displaying our array −
print("Array...
",arr)Get the datatype −
print("
Array datatype...
",arr.dtype)
Get the dimensions of the Array −
print("
Array Dimensions...
",arr.ndim)Get the shape of the Array −
print("
Our Array Shape...
",arr.shape)
Get the number of elements of the Array −
print("
Elements in the Array...
",arr.size)To return a copy of an array with only the first character of each element capitalized, use the numpy.char.capitalize() method. The arr is the input array of strings to capitalize −
print("
Result (capitalize)...
",np.char.capitalize(arr))
Example
import numpy as np
# Create a One-Dimensional array of string
arr = np.array(['bella', 'toM', 'john', 'katE', 'amy', 'brad'])
# Displaying our array
print("Array...
",arr)
# Get the datatype
print("
Array datatype...
",arr.dtype)
# Get the dimensions of the Array
print("
Array Dimensions...
",arr.ndim)
# Get the shape of the Array
print("
Our Array Shape...
",arr.shape)
# Get the number of elements of the Array
print("
Elements in the Array...
",arr.size)
# To return a copy of an array with only the first character of each element capitalized, use the numpy.char.capitalize() method in Python Numpy
# The arr is the input array of strings to capitalize
print("
Result (capitalize)...
",np.char.capitalize(arr))Output
Array... ['bella' 'toM' 'john' 'katE' 'amy' 'brad'] Array datatype... <U5 Array Dimensions... 1 Our Array Shape... (6,) Elements in the Array... 6 Result (capitalize)... ['Bella' 'Tom' 'John' 'Kate' 'Amy' 'Brad']
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