Course source code: https://codistwa.com/guides/exponential-function. More courses on https://codistwa.com

exponential.py

# ============================================================
# Display of the function
# ============================================================

x = np.linspace(-3,3,100)

plt.plot(x,np.exp(x))
plt.xlabel('x')
plt.ylabel('$e^x$')

plt.grid()

plt.title('Exponential', fontsize=12)
plt.savefig('exponential', bbox_inches='tight')

plt.show()