Program to calculate frequency of letters, words, etc.

Examples:

Frequency of letters(characters).

Input:

z542qVStBDCjlb15htnnQLr54TlnqdfLKtiRNpqgG7919CByIalsIhjXvUJMqfDjkcxc54bYfSqLQXWdwWzzjLW5346hZmMYOUiHGj139jCirFBfF156kFDVpXE

Output:

A-0 B-3 C-3 D-3 E-1 F-3 G-2 H-1 I-2 J-1 K-1 L-4 M-2 N-1 O-1 P-0 Q-2 R-1 S-2 T-1 U-2 V-2 W-3 X-3 Y-2 Z-1

a-1 b-2 c-2 d-2 e-0 f-4 g-1 h-3 i-3 j-6 k-2 l-3 m-1 n-3 o-0 p-2 q-5 r-2 s-1 t-3 u-0 v-1 w-1 x-1 y-1 z-3

0-0 1-4 2-1 3-2 4-4 5-6 6-2 7-1 8-0 9-3

Number of characters:123