Turns any bare float number into an easy readable amount.

visual_n.py

# In: 12345678.90 (Float)
# Out: 12,345,678.90 (String)

number = float(12345678.90)
n_digits = str(number).find('.')
z_groups = int(n_digits/3)
k_digits = n_digits % 3
group_separator = ','

print(f'Number: {number}')
print(f'It has {n_digits} total int digits')
print(f'It has {z_groups} groups of 3 int digits')
print(f'It starts with {k_digits} digits')

if k_digits == 0:
    k_digits = 3
    z_groups -= 1
res = str(number)[0:k_digits]
for i in range(z_groups):
    res += group_separator + str(number)[k_digits:k_digits+3]
    k_digits += 3
res += str(number)[n_digits:]
print(f'Result: {res}')

# Excludes too long numbers with e+X